Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Back Catalog number: GPG37100 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFPC4525 Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request 811-9917-02 Go-Cal Replacent Tubing Kit Price on request GFPC0237 Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Price on request