Proseal, Prodry, and charging hose, R12, R134a

Enviro-Safe Proseal repairs minor leaks in mobile a/c systems. Works on most mobile applications Applications: automotive, campers, semi-tractor trailers, combines, thrashers, agriculture applications Only for 134 and R12 applications Even though Proseal can form a seal on the Schrader valve, when you hook up to it the seal will release and allow you to use the Schrader if necessary. If there is still Proseal in the system it will reseal the Schrader. For best results, use Enviro-Safe Prodry BEFORE using the Enviro-Safe Proseal to remove any moisture in your system. Moisture is corrosive and no one wants that in their system! DO NOT use in ammonia systems DO NOT use in CO2 systems DO NOT use in R410a systems- Pressure is too high and will explode the can Gas propelled Installs the same way as refrigerant Cannot be added to a fully charged system