bhavin parmar Diesel exhaust fluid is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine builders to meet EPA 2010 regulations. Blue DEF is a non-toxic solution of 67.5 percent purified water and 32.5 percent ultra pure automotive grade urea. Blue DEF is not a fuel or fuel additive. Instead, when injected into the exhaust
| Quantity | Buy 3+ | Buy 7+ |
| Discount | 3% | 5% |
| Discount Price | $275.48 USD /each | $269.80 USD /each |
