Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9932-02 Cyclone, Filter Cassettes, 37mm, European style fo Price on request 810-0202-02 GilAir-3 Clock with timer (ATEX), Pump only Price on request 800148 Manifold Kit, Dual, 6 x 70mm (Standard Charcoal Tu Price on request