Inserts, PTFE,pk 6 Back Catalog number: M-TSTIN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request