Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GPG37100 Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Price on request 800143 Filter Cassette Holder Kit (required when sampling Price on request 811-1004-04 PM-4.0 Impactor Kit, Replacement for Models 810-10 Price on request