- Chemical-resistant, inert fluropolymer film
Applications include gas sample analysis, extraction of air samples from smoke stack exhaust systems, monitoring air quality and calibrating instruments in the field. Sturdy FEP bags are 5 mil thick and have low permeability to limit sample loss. Have unlimited storage life before use. Available with a nickel-plated brass on/off valve which accepts 1/4” i.d. flexible tubing or a PTFE/silicone septum in a polypropylene housing for use with a hypodermic needle.