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 U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request M-MCTOPI Removable lids for M-CTE120I, inert,pk 6 Price on request