Airstones: Low resistance ceramic Air Diffusers. Provides more output due to less back pressure. Allows Air pump
to operate at higher flows. Can be cleaned and re-used for many years. Fused ceramic airstones last far longer with less back pressure than conventional hobbyist grade “bonded” airstones. The
#AS.4 is compact enough to fit inside Hydro-Sponge filters with minimal water flow restriction due its small size. For higher air/water flow in the largest Hydro V use the #AS.6L
Round Ball type
or ASL series are an excellent choice for large Aquariums, Ponds or larger holding vats. Their extremely large diameter provides the lowest resistence with increased outputs. Combine with any of our LPH
series Air Pumps for superior aeration in high density conditions. Extended square bumpers on ASL diffusers protect them from damage.
For ease of maintenance use the rubber membrane type
diffusers. These will not clog due to the flexible rubber membranes which continuously self cleans its pores.
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Item #
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Image
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Description
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Price
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Cylindrical Ceramic Air Diffusers
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AS.4L
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3/8” diameter x 7/8” long standard airline connector
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$0.60
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AS.6A
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5/8” diameter x 7/8” long standard airline connector
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$0.79
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AS.6LAC
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5/8” diameter x 1 1/4” long standard airline connector
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$0.95
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AS.6L
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5/8” diameter x 1 3/8” long standard airline connector
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$0.89
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AS.6XLA
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5/8” dia x 2 3/4” long standard airline connector (w/ plastic molded bumpers)
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$1.69
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AS.7
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3/4” diameter x 1 1/2” long standard airline connector
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$1.05
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AS.7L
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3/4” diameter x 2” long standard airline connector ~ 14 LPM high capacity stone
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$1.20
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AS.9
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7/8” dia x 4 3/4” long standard airline connector (w/ plastic molded bumpers) max 10 LPM
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$4.20
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AS110X4
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1 1/8” diameter x 4” long 1/4” & 1/2” stepped barb + add-on 3/16” barb ~ 9 LPM max flow
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$4.95
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AS1.2A1
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1 1/4 ” diameter x 3” long x 3/16”& 3/8” connector (w/ molded plastic Bumpers) ~ 10 LPM max flow
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$4.00
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AS1.2B
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1 1/4 ” diameter x 4 1/4” long x 3/16”& 3/8” connector (w/ molded plastic Bumpers) ~ 15 LPM max flow
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$4.70
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AS1.2C
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1 1/4 ” diameter x 5 1/4” long 3/16”&3/8” connector (w/ molded plastic bumpers) ~ 18 LPM max flow
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$5.40
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AS110X6
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1 1/8” diamter x 6” long 1/4” & 1/2” stepped barb + add-on 3/16” barb w/ round
rubber bumpers ~ 14 LPM max flow
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$7.95
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AS110X10
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1 1/8” diameter x 10” long 1/4” & 1/2” stepped barb + add-on 3/16” barb w/ round
rubber bumpers ~ 22 LPM max flow
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$12.25
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AS112X7
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1 1/2” dia x 7” long 3/8 inlet barb barb size can be changed: airline, 3/16”, 1/4”
1/2” ~ 30-70 LPM max flow* (dependent on tubing size)
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OUT
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AS112X9
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1 1/2” dia x 9” long 3/8 inlet barb barb size can be changed: airline, 3/16”, 1/4”
1/2” ~ 30-100 LPM max flow* (dependent on tubing size)
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$22.00
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AS200X9HA
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~ 2”OD x 13.5” OAL with multi ends Extra Large Black Ceramic Diffuser airstone surface area: 1
5/8” dia x 9” use with 1/2” or 1” ID flex tubing or PVC fittings. Both hex cap ends removable for connection to 1 1/2” PVC slip fittings can handle up to ~100 LPM
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$34.00
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AS200X6
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2”OD x 6” long X-Large dia. Ceramic Diffuser barb connection: 3/8” can handle up to ~50 LPM
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$19.00
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AS200X12-014N
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2”OD x 12” long Extra Large Ceramic Diffuser 1/4” FNPT inlet port, specify barb size for tubing
connection: 1/4”, 5/16”, 3/8” or 1/2” can handle up to ~120 LPM
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$29.95
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Dual Ceramic Airstone Assemblies This
setup is usefull with moving bed media sumps. Place in full width of sump to actuate entire bed of media. Requires appropriately sized air source. Contact us with application help.
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AS112X7-2I
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1 1/2” dia x ~18” long 3/8 inlet barb barb size can be changed: airline, 3/16”, 1/4”
1/2” ~ 30-100 LPM max flow* (dependent on tubing size)
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CALL
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AS112X9-2I
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1 1/2” dia x ~20” long 3/8 inlet barb barb size can be changed: airline, 3/16”, 1/4”
1/2” ~ 30-100 LPM max flow* (dependent on tubing size)
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CALL
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Large Ceramic Diffuser Spoke Assemblies High Volume Ceramic Airstones in a Cross
configuration Center inlet barb fits 3/8” ID tubing or any 1/4 NPT thd fitting Used in Ponds, Aquaculture, Aquaponics, Hydroponics, Holding Vats. Molded plastic bumbers keep airstones away
from liner or pond bottom.
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AS112X7-4X
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16 1/2” diameter cross pattern (4) 1 1/2” dia x 7” long 3/8 inlet barb (barb can be
changed, specify size) ~ 60 LPM rec’d flow
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$74.95
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AS112X9-4X
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20 1/2” diameter cross pattern (4) 1 1/2” dia x 9” long 3/8 inlet barb (barb can be
changed, specify size) ~ 70 LPM rec’d flow
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$79.95
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Round Ball-type Ceramic Diffusers
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ASB075
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3/4” diameter ball style standard airline connection
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$0.79
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ASB100
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1” diameter ball style standard airline connector
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$0.95
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ASB125
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1 1/4” diameter ball style standard airline connector
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$1.30
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ASB150
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1 1/2” diameter standard airline connector
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$2.35
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ASB200
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2” diameter stepped barb connector standard airline connector & 5/16”
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$2.95
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Disc Style Ceramic Diffusers Flat Disc provides even bubble
dispersion within water column popular with Hydroponics/Aquaponics installations
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ASD2
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2” dia x 1/2” thick inlet barb: airline Molded plastic base encases ceramic disc rec’d max flow rate: 8 LPM
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$4.00
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ASD2NB
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~2.3” dia x 5/8” thick stepped inlet barb: airline & 3/8” no bumper - solid all ceramic
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$6.00
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ASD3NB
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~3.2” dia x 5/8” thick stepped inlet barb: airline & 3/8” no bumper - solid all ceramic
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$7.50
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ASD4
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~4” dia x 3/4” thick stepped inlet barb: airline & 3/8” Molded plastic base encases ceramic
disc rec’d max flow rate: 10 LPM
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$5.95
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ASD4P
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~4” dia x 3/4” thick Ported for high flow: 3/8 inlet” Molded plastic base encases ceramic disc rec’d max flow rate: 30 LPM
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$10.50
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ASD4NB
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~4” dia x 5/8” thick stepped inlet barb: airline & 3/8” no bumper - solid all ceramic
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$8.75
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ASD5
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~5” dia x 3/4” thick stepped inlet barb: airline & 3/8” Molded plastic base encases ceramic disc rec’d max flow rate: 13 LPM
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$7.95
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ASD5P
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~5” dia x 3/4” thick ported for high flow: 3/8” barb Molded plastic base encases ceramic disc rec’d max flow rate: 30+ LPM
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$14.95
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ASD8
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~ 8” dia x 1.2” thick 1/8 NPT threaded inlet fitted with brass 9mm barb Molded plastic base encases
ceramic disc high flow: 50 LPM or more
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$27.95
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Ceramic Bar Diffusers
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AS8BAR
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8” long x 5/8” w x 5/8” h Flat Bar Diffuser stepped airline barb & 3/8” barb rec’d max flow rate: 8 LPM
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$5.50
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Bubble Wand Style Rubber or Plastic Diffusers
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ADBWB1
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Flexible rubber membrane diffuser - Bubble wall, 15” long weighted to stay submersed
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$1.21
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ADBWB2
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same as above
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Flexible rubber membrane diffuser - Bubble wall, 24” long weighted to stay submersed
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$6.50
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ADBWB3
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same as above
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Flexible rubber membrane diffuser - Bubble wall, 35” long weighted to stay submersed
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$7.95
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ADBWB4
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same as above
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Flexible rubber membrane diffuser - Bubble wall, 48” long weighted to stay submersed
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$8.75
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ADBWB5
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same as above
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Flexible rubber membrane diffuser - Bubble wall, 60” long weighted to stay submersed
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$11.25
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POROUS RUBBER DIFFUSER TUBING
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ADPRH012X1
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porous Rubber tubing 1/2” ID x 1” OD connect to air supply using standard barb fitting must be weighted
to remain submersed
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$2.50/ft
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Large Non-Clogging Rubber Membrane Diffusers Membrane diffusers require ~0.5 PSI or greater air pressure to operate which should be considered when sizing air source. Benefits of membrane style is self-cleaning action of
rubber membrane. As air is forced through rubber expands and releases any obstruction that may have formed such as algae or calcium/mineral deposit fouling.
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ADRS4
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1 1/4” diameter x 4” long, w/ 3/16, 1/4” and 1/2 tubing connectors ~ 15 LPM max flow
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$10.44
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ADRS4X2
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1 1/4” diameter x 11.5” long w/ 3/8” tubing connector ~ 30 LPM max flow suitable for small sumps with moving bed media
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$30.00
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ADRE118X20
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1 1/8” diameter x 20” long, w/ 3/8” tubing connector max flow 50 LPM
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$22.00
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ADRL300
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2 1/4” diameter x 12” long w/ 3/4” FNPT threaded connection ~ 1 CFM - 4 CFM max flow
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$29.00
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ADRL600
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2 1/4” diameter x 24” long w/ 3/4” FNPT threaded connection ~ 2 CFM - 5.5 CFM max flow
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$39.00
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ADRD1
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Dome type rubber membrane diffuser 9” diameter x 3/4 MNPT pipe thread connection ~ 1 CFM - 4 CFM max flow
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$19.00
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ADRD2
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Dome type rubber membrane diffuser 12” diameter x 3/4 MNPT pipe thread connection ~ 1 CFM - 6 CFM max flow
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$22.00
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ADRWB
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Dome type rubber membrane diffuser w/ round weighted base 9” diameter x hose barb connection (specify 1/2”, 5/8” or 3/4”)
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$32.95
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ADR1WBP
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Dome type rubber membrane diffuser w/ rectangular weighted base 9” diameter x hose barb connection (specify 1/2”, 5/8” or
3/4”)
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$42.50
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ADR1BD3
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Dome type rubber membrane diffuser w/ integrated 3” Bottom Drain 9” diameter x hose barb connection (specify 1/2”,
5/8” or 3/4”)
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$49.95
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PHRW3/8
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Weighted tubing, 3/8” ID for connecting diffuser to air pump. Weighted tubing remains submerged on bottom of pond
while delivering air to diffusers. Connect to hose barb fittings use plastic or SS hose clamps
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CLICK
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PHRW5/8
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Weighted tubing, 5/8” ID for connecting diffuser to air pump. Weighted tubing remains submerged on bottom of pond
while delivering air to diffusers. Connect to hose barb fittings use plastic or SS hose clamps
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CLICK
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PHRW3/4
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Weighted Tubing, 3/4” ID for connecting diffuser to air pump. Weighted tubing remains submerged on bottom of pond
while delivering air to diffusers. Connect to hose barb fittings use plastic or SS hose clamps
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CLICK
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