Zefon offers a complete line of 25mm air sampling cassettes manufactured to meet all applicable NIOSH, OSHA, and EPA standards. All 25mm cassette housings are manufactured in-house from polystyrene or polypropylene and are available in two or three piece configurations. All 25mm cassettes are individually assembled and preloaded under stringent quality assurance standards with only the finest quality membrane and support pads.
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