R22 Refrigerant, Performance Booster for R22 Systems, 4 oz. Can

R22 Refrigerant, Arctic Air for R22 Systems, 4 oz. Can R-22, Performance Booster  This can has the new style 7/16" self-sealing top connection. You will need a "K28" can taper to access the refrigerant. An AC booster for 22 systems! Drying agent For Super Colder air Adds Longer life to A/C System A/C performance booster This product is a combination of high performance products mixed into 1 to promote maximum cooling performance. It will remove moisture from the AC system. As most people know, moisture = corrosion and corrosion lead to leaks. Nobody wants leaks in their AC system! This product also will reduce friction in system and provide colder air duct temps in most cases.