O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Back Catalog number: 1970-0007 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SERZ-1097 Spare tube assembly, ACTI-VOC Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request