FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV03 O-Ring, Size 003, pk 10 Price on request SERZ-1076 Spare filter assembly, ACTI-VOC Price on request M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request