Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0115-01 Nephelometer O-Ring, Replacement Price on request 800618 O-Ring/Gasket Kit, GilAir-3 Price on request 910-0915-EU-R GilAir-Plus STP 3-Pump Starter Kit, Bluetooth, Euro cord Price on request