Aqua One Black Sponge 25S - 1 Pack (25025S) Aqua One Replacement Black Sponge designed for: Aqua One Maxi 101F internal Filter Includes 1 Black Sponge per pack Easy to install Low maintenance Traps fish waste, and provides a home for good bacteria to clean the tank Biological Filter Media Aqua One Spare Part Number - 25025s Aqua One Black Sponge 26S - 2 Pack (25026S) Aqua One Replacement Black Sponge designed for: Aqua One Maxi 102F internal Filter Includes 2 Black Sponge per pack Easy to install Low maintenance Traps fish waste, and provides a home for good bacteria to clean the tank Biological Filter Media Aqua One Spare Part Number - 25026s Aqua One Black Sponge 27S - 2 Pack (25027S) Aqua One Replacement Black Sponge designed for: Aqua One Maxi 103F internal Filter Includes 2 Black Sponge per pack Easy to install Low maintenance Traps fish waste, and provides a home for good bacteria to clean the tank Biological Filter Media Aqua One Spare Part Number - 25027s
