O-RING-234 For High Flow Damper Plate Back Catalog number: 1970-0234 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request DEV31_5L DEVEX gas sampling bag, stopcock straight valve, 5L Price on request NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request