Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 850190M Manual, Gilibrator-2 Price on request 800518 Low Flow Module, Blue, GilAir-3/GilAir-5 Constant Price on request 800148 Manifold Kit, Dual, 6 x 70mm (Standard Charcoal Tu Price on request