Cassette, 25mm, Classic Style, PCM, 0.8µm, MCE, No Back Catalog number: GCS25080 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201044-10 Filter Housing, Front, GilAir-3/GilAir-5 Price on request 800093-3 Inlet Filter Replacement Kit, LFS-113 (Packg of 3) Price on request 811-9917-04 Go-Cal Carrying Case, Soft Price on request