Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request HEDNDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request