![](https://roc1954.com/wp-content/uploads/2019/06/defendal-hd-pre-charge-coolant-purple.png)
Defendal HD Pre-Charge Coolant (Purple)
DefendAL® Heavy Duty Pre-Charged Antifreeze/Coolant is a premium quality, conventional technology ethylene glycol-based fluid. The product is specially formulated with industry-leading additives to provide optimum performance in heavy duty vehicles.