Fluval Canister Bio-Foam Filter Block Value Pack, Models 306/307 Subcategory_Filters - Corner 5 mg/L may be toxic

5 mg/L may be toxic to some species and should be avoided

reflective glow

and nitrate

Sinking Pellet

This fossil skull hide-out offers multiple entrances for easy access and adds an extra dimension to the terrarium setup

Fluval Canister Bio-Foam Filter Block Value Pack, Models 306/307 Subcategory_Filters - Corner 5 mg/L may be toxicDesigned specifically for the Fluval 306 and 307 performance canister filters, Bio Foam captures large particles and debris for effective mechanical filtration. Mechanical & Biological filter media Custom fit to prevent debris bypass Ideal pore size allows efficient water flow and longer media lifespan Enhances the biological filtration process Convenient 6 month supply (2) A188 Blue BIO FOAM MAX, (2) white A222 BIO FOAM & (2) A237 black BIO FOAM+