Chemstream only supplies DEF that is API certified and meets the ISO 22241 Standards.  We can supply package sizes of 2.5 gallon Jugs, 55 gallon drums, 330 gallon totes, and bulk load up to 5200 gallons.We also carry a complete line of DEF pumps, hose reels, filters, flow meters, and tanks.  Please call 724-664-2532 if you have any questions or would like to place a DEF order.

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Quality Assurance
In order to maintain the integrity of the DEF we deliver, all of our transportation equipment (tankers, hoses, pumps, etc.) is used exclusively for DEF.