Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended DEV21_0.5L Devex bag with PC valve, 0,5L Price on request M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request DEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request