2 cans of R22 Arctic Air, 1 can of Proseal XL4, 1 Can of Oil Charge and Brass Gauge
 
An AC booster for R22 systems!
Drying agent
Colder air
Longer life
A/C Booster
This product is a combination of 2 Enviro-Safe 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 leads 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.
Please note, the top of this can has a 134a top which means you need a hose or gauge with the proper ends in order to install this product into your R22 systems.