Aquatop CAF Classic Aqua Flow Sponge Filters make maintenance of your home aquarium more convenient than ever. Sponge filters have been hobbyist, breeder, and hatchery favorites for decades, providing simple, efficient biological and mechanical filtration with less maintenance than traditional filters.

A simple, classic, economical aquarium filter
Tested by breeders and hatcheries for decades
Less maintenance than traditional filters
Fast and easy cleaning

Aquatop Classic Sponge Filters feature specially-developed foam material that supports the colonization of beneficial bacteria, providing mechanical and biological filtration. The bio-filtration process breaks down toxic ammonia and nitrites, preserving a clean, healthy habitat for your fish. CAF sponge filters are weighted and easy to install with an air pump or powerhead (sold separately), which provides airlift for silent operation. CAF filters may be used as stand-alone, breeding, or secondary filters, and will fit most external or top filters to act as pre-filtration units.

Directions: When performing routine maintenance, save a portion of removed aquarium water in a fish-safe container. Disassemble the sponge filter and separate the sponge from the hardware. Use the saved aquarium water to clean the sponge. Squeeze it, shake it, and rinse it out in the fish-safe container. When the sponge looks clean, reassemble the sponge filter and reinstall.

Specifications:
CAF-10:

Aquariums up to 10 gallons
60 pores/linear inch
Diameter: 2" (base); 2" (sponge)
Uplift tube height: 1.5"
Sponge height: 1.75"
Full height: 3.5"
Uplift I/D: 9/16"

CAF-25:

Aquariums up to 25 gallons
40 pores/linear inch
Diameter: 2.75" (base); 3.125" (sponge)
Uplift tube height: 3"
Sponge height: 3.5"
Full height: 6.75"
Uplift I/D: 3/4"

CAF-40:

Aquariums up to 40 gallons
40 pores/linear inch
Diameter: 3.25" (base); 5" (sponge)
Uplift tube height: 3"
Sponge height: 3.5"
Full height: 6.75"
Uplift I/D: 3/4"

CAF-60:

Aquariums up to 60 gallons
40 pores/linear inch
Diameter: 3.25" (base); 5" (sponge)
Uplift tube height: 3"
Sponge height: 5.5"
Full height: 8.5"
Uplift I/D: 3/4"

CAF-180:

Aquariums up to 180 gallons
35 pores/linear inch
Diameter: 3.5" (base); 6.5" (sponge)
Uplift tube height: 6"
Sponge height: 7.75"
Full height: 13.75"
Uplift I/D: 1"
Includes free air stone

CAF-250:

Aquariums up to 250 gallons
35 pores/linear inch
Diameter: 3.5" (base); 8.5" (sponge)
Uplift tube height: 6"
Sponge height: 7.75"
Full height: 13.75"
Uplift I/D: 1"
Includes free air stone

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