Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0201-01 Operation Manual/Software CD for Deluxe Nephelomet Price on request GC7345PC Cassette, 37mm, 3 pc, 0.4µm Polycarbonate, 50/Box Price on request SC-8 Tedlar Bag (25.0L) Price on request