Ammonia Gas Detection Tube 2.5–1000 ppm

This ammonia gas detection tube measures airborne concentrations from 2.5 to 1,000 ppm and is specified for extended-duration industrial hygiene monitoring, process-area trending, and regulatory documentation where ammonia exposure must be evaluated...

Carbon Monoxide (CO) 50 PPM / Air BAL Calibration Gas – 103L

This calibration gas mixture contains 50 PPM Carbon Monoxide (CO) in Air BAL and is supplied in a 103-liter steel disposable cylinder (3.6 cubic feet), pressurized to 1,000 PSI with a C-10 valve. The cylinder is non-reactive and built for portable field...

Carbon Monoxide (CO) 50 PPM / Nitrogen BAL Calibration Gas – 103L

Carbon Monoxide (CO) 50 PPM / Nitrogen BAL Calibration Gas – 103 L This calibration gas mixture contains 50 PPM Carbon Monoxide (CO) in Nitrogen BAL and is supplied in a 103-liter steel disposable cylinder (3.6 cubic feet), pressurized to 1,000...

25mm Air Sampling Cassette – 1.2µm MCE White Band, 3-Piece, 50/Box (Zefon PCM/TEM)

25mm Asbestos Air Sampling Cassette – PCM & TEM Applications Zefon 25mm air sampling cassettes are precision-manufactured for asbestos fiber monitoring and industrial hygiene sampling in compliance with NIOSH, OSHA, and AHERA standards. Each...

25mm Air Sampling Cassette – 1.2µm MCE Grid, White Band, 3-Piece, 50/Box (Zefon PCM/TEM)

Zefon 25mm air sampling cassettes are engineered for regulated asbestos fiber monitoring using phase contrast microscopy (PCM) and transmission electron microscopy (TEM) methods. Manufactured in-house under strict quality controls, every cassette is...

25mm Air Sampling Cassette – 0.8µm Polycarbonate Filter, 3-Piece, 50/Box (Zefon PCM/TEM)

25mm Asbestos Air Sampling Cassette with 0.8µm Polycarbonate Filter – PCM & TEM Zefon 25mm air sampling cassettes are manufactured for regulated asbestos air monitoring and fiber analysis using phase contrast microscopy (PCM) and...

25mm Air Sampling Cassette – 0.8µm MCE Filter, PCM, 3-Piece, 50/Box (Zefon

25mm Asbestos Air Sampling Cassette with 0.8µm MCE Filter – PCM Applications Zefon 25mm air sampling cassettes are precision-manufactured for regulated asbestos fiber monitoring using phase contrast microscopy (PCM) and compatible TEM...

25mm Air Sampling Cassette – 0.8µm MCE Grid, PCM, 3-Piece, 50/Box (Zefon)

25mm Asbestos Air Sampling Cassette with 0.8µm MCE Grid – PCM Applications Zefon 25mm air sampling cassettes are engineered for regulated asbestos fiber monitoring using phase contrast microscopy (PCM) and compatible TEM workflows. Each...

25mm Air Sampling Cassette – 0.8µm MCE Green Grid, PCM, 3-Piece, 50/Box (Zefon)

25mm Asbestos Air Sampling Cassette with 0.8µm MCE Green Grid – PCM Applications Zefon 25mm air sampling cassettes are precision-manufactured for regulated asbestos fiber monitoring using phase contrast microscopy (PCM) and compatible TEM...

25mm Air Sampling Cassette – 0.4µm PC + 5.0µm MCE, 3-Piece, 50/Box (Zefon PCM/TEM)

25mm Asbestos Air Sampling Cassette with 0.4µm PC + 5.0µm MCE – TEM & PCM Zefon 25mm air sampling cassettes are engineered for regulated asbestos fiber monitoring using transmission electron microscopy (TEM) and phase contrast...

25mm Air Sampling Cassette – 0.45µm MCE Grid, 3-Piece, 50/Box (Zefon PCM/TEM)

25mm Asbestos Air Sampling Cassette with 0.45µm MCE Grid – TEM & PCM Zefon 25mm air sampling cassettes are manufactured for regulated asbestos fiber monitoring using transmission electron microscopy (TEM) and phase contrast microscopy...

25mm Air Sampling Cassette – 0.45µm + 5.0µm MCE, TEM, 3-Piece, 50/Box (Zefon)

25mm Asbestos Air Sampling Cassette with Dual MCE Filters – TEM Applications Zefon 25mm air sampling cassettes are engineered for regulated asbestos fiber monitoring using transmission electron microscopy (TEM) methods and compatible PCM workflows...