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 U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request HEDTDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request