Bio Foam Max 207/307 Pumps/Filters/Accessories For Water Pumps For Aquarium

Features a wavy tip pattern with 30% increased contact area to effectively trap waste and debris; Prevent early filter clogging/thus prolongs the life of other filter masses; Includes a complex foam structure that helps maintain a stable/uniform flow of water; Provide an ideal surface for the proliferation of beneficial nitrifying bacteria; Are perfectly tailored to maximize filtration yield; Bio-Foam Max 206/306; 207/307 are offered in a convenient pack of 2; Must be replaced every 6 months; Suitable for freshwater and sea water aquariums Pack of 2 ...