Marineland Magnum Floss Sleeves for the Magnum Internal Canister Filter feature a fine mesh weave which traps suspended particles while promoting water flow. This water polishing media prevents premature clogging and helps prolong filter media life.

• Fine mesh traps and holds dirt particles
• Open cell construction promotes water flow
• Prevents premature clogging and prolongs filter media life

Fits Marineland Magnum Polishing Internal Canister Filters. Change monthly for best performance.