Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended RMK-0006 Routine maintenance kit for M-CTE120I Price on request T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request