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 C-TAD-01 Tube Adaptor, for connection of 1/4" tubes to 1/8" flexible tubing Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request C-CL100 Penclips, pk100 Price on request