Compatible with any automotive refrigerant_ except ammonia and CO2 Compatible with any automotive refrigerant_ except ammonia and CO2 Drying agent Colder air Longer life AC Booster This product is a combination of 2 ZeroR products into 1 for maximum cooling performance. This will remove moisture in the AC system. Moisture can cause corrosion in the AC system or the AC to malfunction. The other part of the product will reduce friction in system and provide colder air duct temps in most cases.
- Improves AC System System Performance by Increasing Heat Transfer
- Designed to Enhance and Extend New and Old Systems
- ZeroR Permafrost contains a highly polar molecule that works synergistically with compressor oil to improve the performance of air conditioning and refrigeration systems by increasing heat transfer in the condenser and evaporator coils.
- ZeroR Permafrost polarized molecule bonds to the metal inside system by removing the insulated buildup of oil and forming a conductive layer to improve heat transfer.
- Returns: This item is considered a HazMat Material and as such is not returnable. It requires hazmat certification to ship. Amazon does not supply a Return label and the seller will not supply return labels for this type of products. Please contact seller for any help you might need in using the product.








Elaine Lowe –
Don’t buy. These are 4oz cans. The seller hides this. Makes it appear that it’s a 12oz can. Shady. Very shady.
Lead crazy Hanna –
Small quanty. Wanted to return items,came later than we needed. Tryed to send it back and no one would ship it, even from the shiping company that delivered it.