Poly Filter Poly-Bio-Marine, Fish Aquarium Filter Media Pad, 3-Pack, 4” x 8”
- For Fresh Or Saltwater - The Poly Filter works in both fresh and saltwater marine environments. The Poly Filter will not break down due to salt and will keep all marine environments clean and balanced..
- Color Changing Technology - The filter changes color as it begins to catch pollutants, letting the user know what’s in the water and when the filter needs replaced. Changes different colors for different chemicals..
- Keep Cleaner Water - Since the Poly Filter removes both chemical toxins and organic waste, the water stays clear without needing changed as often. Keep your tank cleaner, longer..
- Fits In Most Filters - Easily fits into many common aquarium filter styles. It can be used with a conventional power filter, plastic undergravel filters, and canister-type power filters. Increase the cleaning power of the system you already have..
- Unique Chemical Filtration - Made from a patented material that filters excess pollutants while leaving trace elements necessary for the survival of your tank. Poly Filter gently removes excess medication after it takes its effect..