Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFG858X10 Filter, Glass Fiber, Binderless, 1.1µm, 8" x 10", Price on request 800252 Single Variable Flow Starter Kit (Includes 6x70mm, Price on request 783-0013-01-R Battery Pack AA Alkaline Price on request