Factory Direct Safety & Environmental Inc. is a U.S. based sales distribution and marketing company with over 25 years of experience specializing in safety and environmental products. Our product line currently includes over 150 types of Uniphos Gas Detection Tubes, Uniphos Pumps and Calibration Gases. Our Gas Detection Tubes which are currently used in oil/gas, pipeline, refinery, safety, environmental and fumigation sectors detect over 150 different gases and several ranges.