QwikShot Refrigerant and Oil Treatment Has a unique formulation, which carries unwanted acid and moisture into the filter-drier where the acid, moisture and the QwikShot are removed. QwikShot is the only acid treatment on the market guaranteed not to invalidate any equipment manufacturer’s warranty. Features: Guaranteed safe for ALL systems OEM Approved Works with all refrigerants, oils, and filter-driers Produces no residue or contamination One bottle treats up to a 6-ton unit and removes up to 26 drops of moisture!