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 MBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request C-CL010 Penclips, pk10 Price on request T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request