SubZero Synthetic is a cutting edge lubricant for automotive air conditioners. The recommended 2 oz. application can improve the cooling performanece up to 18%. It is compatible with PAG & POE lubricants. Contains 13 oz. of R134a and 2 oz. SubZero Synthetic with shelf saver cap.
The Quest Shelf Saver Dispenser contains a patented anti-blowback valve on the quick couple end of the plastic hose. This valve prevents any pressure generated in the vehicle's air conditioner from entering the dispensing hose. The Quest Shelf Saver Dispenser uses a high pressure PVC dispensing hose that exceeds the maximum pressure that could build up within the R134a can under the most adverse conditions.
