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Hydro-Sponge Pre-Filters:
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Coarse Foam Sponge for use as pre-filters on intakes of Water Pump intakes, Power Filters, Cannister Filters, Wet-Dry intakes, Bulkhead fitting intakes or anywhere particulate needs to be
screened or intakes diffused to prevent small fish or fry from entering intake tubes. Higher flow rate intakes generally require larger sponges with greater surface area to prevent suction effect of
intake. Either use a PVC “Tee” inlet with multiple small sponges or 1 larger sponge when this is a concern. Filter-Max III come with multi size adapters for various intake tubes of commercial
aquarium filters such as Power Filters etc. These Filter Max do not have adapters for PVC pipe sizes. For adapting sponges to PVC use any of the other pre-filters which are made to fit on common
schedule 40 PVC pipe fittings. The “HS-PF90” style shown above have a right angle elbow and all
clear fittings. Pre-filters with “mini” sponges are half the regular length sponge and are usually adequate for up to 200 gallons per hour flow rates. For highest flow rates use extra large Hydro
-Pond style Sponges #HS-PIII & #HS-PIV (same size sponge as Hydro V filters but in a coarse foam) |
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Item #
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Description
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Price
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HS-PF-FM3
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Filter Max III Pre-filter complete with multiple adapters and 2 elbows for adjusting away from tank wall
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$6.60
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HS-PF90M3/4
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Pre-Filter w/ 90 degree elbow and Mini size sponge, 3/4” male PVC adptr.
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$5.75
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HS-PF903/4
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Pre-Filter w/ 90degree elbow and regular size sponge, 3/4” male PVC adptr.
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$6.50
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HS-PVC90A1/2
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1/2” clear adapter to fit into above 3/4” (PF90 series)
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$0.50
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HS-PFM1/2A
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Pre-Filter w/ Mini Sponge and 1/2” straight PVC adptr.
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$5.25
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HS-PFM3/4A
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Pre-Filter w/ Mini Sponge and 3/4” straight PVC adptr.
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$5.00
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HS-PF1/2A
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Pre-Filter w/ regular sponge and 1/2” straight PVC adptr.
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$5.75
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HS-PF3/4A
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Pre-Filter w/ regular sponge and 3/4” straight PVC adptr.
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$6.00
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HS-PIII
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Hydro-Pond Sponge #3, includes multiple adapters for various pump intakes, 2 elbows for offset, and single coarse foam Hydro Pond sponge. (4” long x
5 3/4” dia. coarse sponge)
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$11.95
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HS-PIV
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(2) Hydro-Pond Sponges includes multiple adapters for various pump intakes, 2 elbows for offset, and 2 coarse foam Hydro Pond sponges. (8” long x 5
3/4” dia coarse sponge)
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$14.95
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Large Pre-filter Stacks for overflows. Use on pre-filter overflow boxes or directly on pump intakes on submersible pumps or thread into bulkhead fittings on
sump. We can also provide different custom size adapters to fit your needs.
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FMSPF-12
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5” dia x 12” or 16” or 22” long w/ 1 1/2” MNPT thread
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$16.95
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FMSPF-16
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$19.95
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FMSPF-22
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$25.95
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PFS110
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Prefilter Sponge only Coarse Sponge sleeve for pre-filter use will fit on screen tube PFP144 below 1” ID core x 3 1/2” OD x 10” long
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$5.50
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Pre-filter screen tubes for custom pump intakes or overflow stacks PVC pipe fits snugly inside providing a myriad of uses as pre-filter screens or for wrapping with blue bonded
sheet or 1” size fits Hydro-Sponge replacement sponges. Provides a more secure method of attaching sponges to pump intakes, no parts to fall apart. PVC elbows and pipe can be glued for a permanent
installation.
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Use as single intake for pumps up to 1000 gph
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Use as dual intake for pumps 1000 gph and larger
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PFP-144
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1” pipe size screen tube x 44” long fits snugly over 1” PVC pipe Schedule 40 or Schedule 80
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$7.98
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PFP-144CAP
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End Cap for above PFP 144 screen pipe - fits inside eliminates the need to use short piece of PVC pipe and PVC slip cap
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$0.25
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PFP-244
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2” pipe size screen tube x 44” long fits snugly over 2” PVC pipe S40 & S80 fits over sponges
#H-0, #H-II and Filtermax 3 #HS-PF-FM3 sponges to prevent fish such as plecos, eating sponge
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$16.95
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