Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request