FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDFEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request 1970-0234 O-RING-234 For High Flow Damper Plate Price on request