Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended U-COV06 O-Ring, Size 006, pk/10 Price on request M-SPC15-250 Collar spacer, alum 15mm, for M-CTE250I,pk 4 Price on request M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request