Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-0102-02 GilAir-5 Clock, with timer (ATEX), Pump only Price on request 780-0015-04-R Calibrator cable (BIOS Defender 510-M), for automa Price on request 385-0113-01 Filter Cap, Replacement for Nephelometer Price on request