A block of mass m is attached to a modified atwood machine and is accelerated upward
A/C Pro® ultra synthetic refrigerant kit features a specially designed formula that helps a vehicle's A/C produce the coldest air. The approximately 17 oz. of R-134a and 3 oz. of additives are used to recharge a vehicle's A/C system, seal common leaks in the rubber components, and protect and extend the A/C system's life by eliminating acid and moisture buildup.