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![Lee's Presents Lees Sponge Filter Square Replacement Pad. The Dual Action Foam Filters are Biological Filters Composed of Open-Celled Foam which Provides Enormous Amounts of Usable Surface Area for Beneficial Bacteria to Colonize. This Bacteria Breaks Down Harmful Waste Substances (Ammonia & Nitrite), Making your Aquarium a Safer Environment for your Fish to Live and Breed. This Fundamental Filter is Excellent for Breeding all Types of Aquarium Fish, as Well as for Hatching and Raising Brine Shrimp as it will not Trap nor Harm Them. The Dual Action Foam Filters are Available in 4 Models to Accommodate the Filtering Needs of Various-Sized Aquariums. [34661]](http://cdn.petcarerx.com/img/PrdImg/408x408/22396_001_xl.jpg)
Lee's Presents Lees Sponge Filter Square Replacement Pad. The Dual Action Foam Filters are Biological Filters Composed of Open-Celled Foam which Provides Enormous Amounts of Usable Surface Area for...
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Price: $2.99
Regular Price: $4.99
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![Lee's Presents Lees Submersible Power Filter Replacement Cartridge & Sponge. Replacement Cartridge and Sponge for Lee's Sf1 Submersible Power Filter Packaging Box [34870]](http://cdn.petcarerx.com/img/PrdImg/408x408/22495_001_xl.jpg)
Lee's Presents Lees Submersible Power Filter Replacement Cartridge & Sponge. Replacement Cartridge and Sponge for Lee's Sf1 Submersible Power Filter Packaging Box [34870]
Price: $4.99
Regular Price: $7.99
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![Instant Ocean-Aquarium Systems Presents Instant Ocean-Aquarium Systems (Io) Prefilter Sponge-Maxijets 2 Pack. Instant Ocean Prefilter Sponge-Maxi Jets Replacement Prefilter Sponge for Maxi Jets [29012]](http://cdn.petcarerx.com/img/PrdImg/408x408/19422_001_xl.jpg)
Instant Ocean-Aquarium Systems Presents Instant Ocean-Aquarium Systems (Io) Prefilter Sponge-Maxijets 2 Pack. Instant Ocean Prefilter Sponge-Maxi Jets Replacement Prefilter Sponge for Maxi Jets [...
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Price: $8.99
Regular Price: $13.99
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![Lee's Presents Lees Sponge Replacement-Triangular Triangular. Replacement Pad for Item Number 13392 (Foam Filter - Dual Action 25 Gallons) Traingle [29013]](http://cdn.petcarerx.com/img/PrdImg/408x408/19423_001_xl.jpg)
Lee's Presents Lees Sponge Replacement-Triangular Triangular. Replacement Pad for Item Number 13392 (Foam Filter - Dual Action 25 Gallons) Traingle [29013]
Price: $3.99
Regular Price: $4.99
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![Zoo Med Laboratories Presents Zoo Micro 304 Carbon/Foam 2pk Microclean Carbon & Mechanical Sponge. Blue Carbon Sponge Replacement (3/Pack) for Mc-10 [29068]](http://cdn.petcarerx.com/img/PrdImg/408x408/19472_001_xl.jpg)
Zoo Med Laboratories Presents Zoo Micro 304 Carbon/Foam 2pk Microclean Carbon & Mechanical Sponge. Blue Carbon Sponge Replacement (3/Pack) for Mc-10 [29068]
Price: $4.99
Regular Price: $7.99
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![Zoo Med Laboratories Presents Zoo Micro 316 Bio-Sponge 3pk Microclean Bio Sponge. Small White Biological Sponge Replacement (3/Pack) for Mc-20 and Tc-20 [29069]](http://cdn.petcarerx.com/img/PrdImg/408x408/19473_001_xl.jpg)
Zoo Med Laboratories Presents Zoo Micro 316 Bio-Sponge 3pk Microclean Bio Sponge. Small White Biological Sponge Replacement (3/Pack) for Mc-20 and Tc-20 [29069]
Price: $1.99
Regular Price: $1.99
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![Zoo Med Laboratories Presents Zoo Micro 316 Mech Sponge 3pk Microclean Mechanical. Blue Mechanical Sponge Replacement (3/Pack) for Mc-20 and Tc-20 [29070]](http://cdn.petcarerx.com/img/PrdImg/408x408/19474_001_xl.jpg)
Zoo Med Laboratories Presents Zoo Micro 316 Mech Sponge 3pk Microclean Mechanical. Blue Mechanical Sponge Replacement (3/Pack) for Mc-20 and Tc-20 [29070]
Price: $2.99
Regular Price: $4.99