Valve Plate Assembly, Bottom, GilAir-3 Back Catalog number: 800303 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 783-0012-01-R Battery Pack NiMH Rechargeable Price on request GCZ008PC Cassette, 25mm, 3 pc, 0.8µm Polycarbonate, 50/Box Price on request