Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC0237 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request 785-0009-01 Gilian 800i/5000/10i/12 Five-Unit Power Station (w Price on request 800883-171-2301 GilAir-5 R Pump, Starter Kit, 230V Euro Style Plug Price on request