Replacement Valve Caps (Pack of 2) Back Catalog number: 811-0920-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-9 Tedlar Bag (45.0L) Price on request GCO37050 Housing, 37mm, 3Pc, 50/Box Price on request TE-24 Teflon Bag, On-Off Valve (50L) Price on request