Quest Sub-Zero 19 Oz. R-134a Synthetic Refrigerant Face Shields Because it is made from

Because it is made from polypropylene plastic

Self-adjusting duck packing for the ultimate leakproof seal

Pumping to the higher range will provide longer spray duration

water and tear resistant

Crafted from aluminum box beam

Quest Sub-Zero 19 Oz. R-134a Synthetic Refrigerant Face Shields Because it is made fromQuest Sub Zero Synthetic refrigerant improves the air conditioner's cooling performance up to 18%. It prevents oxidation and sludge build up, extends the life of the compressor and reduces engine drag for better gas mileage. It may be used in any auto air conditioner and is compatible with either PAG or POE lubricates.