Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request