Different kinds of air conditioning adapters include the components of the 10237A Robinair Fits-All R-12 A/C Adapter Kit and the AC Air Condition Quick Coupler Adapter High Low Manifold Freon Connector R134A. These air conditioning adapters are available from Century Tool and from Amazon as of October 2015, notes each website.
The 10237A Robinair Fits-All R-12 A/C Adapter Kit includes several types of adapters for accessing R-12 vehicle air conditioning systems along with other types of air conditioners. There are three different flexible adapters with part numbers 10293, 10470A and 10778. There are also two solid 90-degree angle brass adapters, which are available with part numbers 10469A and 40563A. The six-inch flexible 1/4-inch MFL by 1/8-inch FFL blue adaptor, for example, fits Ford models produced from 1977 to 1980. The six-inch flexible 1/4-inch MFL by 3/16-inch FFL red adaptor fits 1977 and later GM models.
The AC Air Condition Quick Coupler Adapter High Low Manifold Freon Connector R134A has a high-pressure quick coupler with valve and a low-pressure quick coupler with valve. It comes with an R-134A AC manifold gauge.
Other types of air conditioning adaptors are the A/C Comp Manifold Sealing Washer Pilot Adapter, A/C Retrofit Service Valve Adaptor and A/C Service Valve Adapter One Piece, notes NAPAOnline.com. These products are available for purchase in the company's stores.