Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800093 Inlet filter LFS-113 Price on request 800331 Safety Tape-10 Feet Price on request 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP Price on request