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The Interdynamics MAC-134 is a single-can A/C recharge kit for R-134a systems. The can holds about 15 oz of refrigerant plus roughly 3 oz of additives that condition seals and O-rings in the rubber parts of the system. It includes a reusable charging hose and a gauge, so one can tops off a low system and the hardware carries over to later cans. It suits DIYers with a slightly weak A/C who want a quick top-off; it is not a leak repair or a substitute for a proper evacuation and recharge on a system that has lost most of its charge.
Availability unknown
Lowest price we've seen: $59.29 on Nov 9 at Buchheit. Tracked across 1 store since Nov 9.
Owners of older cars generally find it a convenient way to bring a weak A/C back for a season, and the included gauge is the part most often called useful. Complaints center on cans that ran out before pressure came up and on leaks that returned, which points to the limits of a seal additive rather than the kit itself.
This EZ Chill refrigerant kit recharges a vehicle's A/C system. It uses a formula of R-134a refrigerant and additives. The additives seal common leaks in the A/C system's rubber components.
The kit contains approximately 15 oz of R-134a and 3 oz of additives, for 18 oz in total. It comes with a reusable charging hose and gauge.
