Zefon 25mm Styrene Air Sampling Cassettes w/ MCE or PVC Filters are designed to meet all applicable NIOSH, OSHA and EPA air sampling standards.
All Zefon 25mm cassette housings are manufactured in-house and preloaded under stringent quality assurance standards with only the finest quality membrane and support pads.
2 Piece Polystyrene Housing
Preloaded, Ready to Use
Leak Free Design