Foam Compatible with Foam Filter 25PPI Suitable for Pressure Flo

Although not the foam filter but made with the same materials to compare with the real foam suitable for Pressure-Flo UVC filtration system. Contains replacement foam filter rings designed and manufactured for Pressure-Flo UVC Filter. Improves biological filtration. Provides efficient water flow with less clogging for long-lasting filtration. Good for freshwater and saltwater environments.