Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: TDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request