Zefon Preloaded Air Sampling Filter Cassettes provide a convenient, ready-to-use solution for collecting air quality samples with personal or area sampling pumps. Designed for sampling a variety of common airborne contaminants, these cassettes come fully assembled and preloaded with filter media, eliminating the need to assemble and load filters before sampling. Zefon manufactures its preloaded cassettes under stringent quality assurance standards using quality membrane filters and support pads.

The cassettes feature leak-free construction designed to help prevent sample loss during collection. Multiple configurations are available to conform with applicable NIOSH, OSHA, and EPA standards that require filter cassettes. Depending on the selected variation, cassettes are available with different filter membrane types, including PVC, MCE, PTFE, glass fiber, and polycarbonate, providing options for different air sampling requirements.

Housing options include two-piece configurations for closed-face sampling and three- or four-piece configurations for open-face sampling. Available variations may also differ in cassette diameter, housing material, filter pore size, and other specifications. This range of configurations allows the appropriate cassette and filter media to be selected based on the specific sampling method or application.

Fully assembled and preloaded, Zefon Air Sampling Filter Cassettes provide a practical option for environmental, industrial hygiene, and occupational air sampling applications where filter cassettes are required.