Tube gas sampling 150ml nozzle (GL14), septum Back Catalog number: OST-201-3424 Availability: In the manufacturer's stock Price on request - + Recommended 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request C-TO17KIT TO-17 Starter Kit Price on request