Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9917-02 Go-Cal Replacent Tubing Kit Price on request 811-0920-01 Replacement Valve Caps (Pack of 2) Price on request 800252 Single Variable Flow Starter Kit (Includes 6x70mm, Price on request