Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-FFP-01 ACTI-VOC PLUS fast-flow Pump Kit Price on request 800508-171-2301 GilAir-3 RC Pump, Starter Kit, 230V Euro Style Plu Price on request 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request