Kit-Damper-Diaphragm Low Flow Back Catalog number: 800413 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCO37050 Housing, 37mm, 3Pc, 50/Box Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request 801273 Precision Rotameter, 1-23LPM Price on request