From the Fluval range. Replacement media sets for Fluval U3 Filter. Each media value pack contains: 1x biomax 55g, 2 x bio-foam, 6 x poly-carb. For up to 6 months of clear, healthy water. Providing the biological & mechanical filtration to keep your aquarium healthy & clean. Biomax: Maintains a healthy nitrogen cycle to reduce & control toxic ammonia & nitrite, complex pore system maximizes water contact time & surface area to support & promote beneficial bacteria growth. Bio-foam: Effectively traps majority of waste & debris, complex foam structure maintains consistent water flow & naturally promotes beneficial bacteria growth. Poly-carb: Dual action cartridge features separate polyester & carbon layers, polyester layer traps fine debris & contaminants, carbon layer filters out harmful toxins, discolorations & odours. For use with fresh or saltwater. Never replace all filter inserts simultaneously to ensure a constant presence of beneficial bacteria. Please note all measurements are manufacturer stated.
