Hydro II Sponge Pro Filter - Up to 20 gallons

HYDRO-SPONGE FILTER V HS950 (125GAL) For aquariums up to 125 gallons in size. Provides biological and chemical filtration. Easy to clean. Can be used with a power head. Raised off bottom. Sponge size 4 x5 3 3/4. Size including the base, step extension, and lift tube is about 11'. HYDRO-SPONGE FILTER IV HS940 (80GAL) For aquariums up to 80 gallons in size. Provides biological and chemical filtration. Easy to clean. Can be used with a power head. Raised off bottom. Sponge size 4x 4 3/4. Size including the base, step extension, and lift tube is about 11'. HYDRO-SPONGE FILTER II HS920 (20GAL) For aquariums up to 20 gallons in size. Provides biological and chemical filtration. Easy to clean. Can be used with a power head. Raised off bottom. Sponge size 4 x 2 3/4. Size including the base, step extension, and lift tube is about 11'. HYDRO-SPONGE FILTER I HS910 (10GAL) For aquariums up to 10 gallons in size. Provides biological and chemical filtration. Easy to clean. Can be used with a power head. Raised off bottom. Sponge size 2 x 3 3/4. Size including the base, step extension, and lift tube is about 9'. HYDRO-SPONGE FILTER III HS930 (40GAL) For aquariums up to 40 gallons in size. Provides biological and chemical filtration. Easy to clean. Can be used with a power head. Raised off bottom. Sponge size 4 x 3 3/4. Size including the base, step extension, and lift tube is about 11'.