Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended C-CRCK Canister Rack Connection Kit, for connecting 15 x 1/4" outlet canisters to U-RACK02 Price on request C-TO17KIT TO-17 Starter Kit Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request