Retrofit-USA, LLC, is a manufacturer and distributor (www.retro-fitusa.com) of Reusable A/C Fitting Kits, A/C Hose Kits, A/C Line Repair Kits, A/C Performance Hose Kits, A/C Master Hose Kits, and Custom A/C Fittings Kits for Automotive, Truck, Construction, Farm, and Specialty Vehicle applications.