Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: HEDMBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request C-POD-C010 Spare Cover, for POD sampler, pk 10 Price on request RMK-0003-2S Markes Online Systems PM Kit Price on request