Gas Sampling Bag, ALTEF, 25L, 18"x24" w/polypropylene combo valve & septum, 1 eyelet, 5/pk

• Excellent alternative to Tedlar bags for collection of most VOCs.
• Unlike Tedlar bags, ALTEF bags do not produce background levels of dimethylacetamide (DMAC) or phenol.
• Very low VOC and sulfur background compared to Tedlar bags.
• Not recommended for ketones, acetates, hydrogen sulfide, or permanent gases.
• Durable polyvinylidene fluoride (PVDF) film is resistant to abrasion and chemicals, including most acids and organic compounds.
• Contain no additives, fillers, or pigments.

Note: Use only Point Style 5 or H syringe needles.