Cassette, 37mm, 2 pc, 0.4µm Polycarbonate, 50/Box Back Catalog number: GC7245PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0903-NO-R GilAir-Plus STP Single Starter Kit, No cord Price on request 6075-0428-R Screwdriver - Stainless Steel, Philips / Pan-Head Price on request 800142 Clip Assembly, Replacement for Filter Cassette Kit 800143 Price on request