Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0921-01-R GilAir Plus impinger Bracket for single impinger h Price on request 811-0501-01 Flow Monitoring Software Kit (Software, Cable, & M Price on request KB-5-10 Kynar Bag 5.0L Pack of 10 Price on request