Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended TDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request