The fluval universal filter media bag measures approximately 165 cm x 254 cm 65 x 10 and each package contains 2 bagsr ideal for use in all fluval canister filters this media bag is easy to use all you need to do is top up the bag with sufficient filter media fasten the bag with the enclosed fastener and set the filled media bag in the preferred section r r plastic fasteners includedr makes media maintenance even simplerr convenience and control for smaller mediar fine mesh to contain re