Surface Skimmer 4-1/2" x 11-1/2"; 5/8" hose diameter

Helps improve oxygen exchange while skimming surface proteinsFlow control valve controls skimming rate360 intake float skims from all directionsSkims dissolved proteins to curb nutrient buildup and maintain good water quality. Improves oxygen exchange and light penetration by removing surface film. Easily attaches to your canister filter's intake. Includes suction cup mounts, flow control valve, 360 intake float, and 5/8" flexible hose. 4-1/2" x 11-1/2"; 5/8" hose diameter.Please click on "More Information" for installation instructions.