Works to seal minor freon leaks. The freon is completely filled, and when finished, one tube of the car's freon leak treatment is added. Used for all air conditioners and cars. One car is sufficient with one syringe, and a home air conditioner up to 4 tons requires one syringe. EXTREME locates the refrigerant leak and seals it permanently without reacting with moisture and oxygen. EXTREME is a completely polymer-free formula, repairs leaks up to 0.3 mm. Our prices are competitive, and there is a discount for bulk purchases and free shipping to all cities in the Kingdom.