Robinair (10237A Fits-All Adapter Kit Robinair Fits-All Adapter Kit Our access adapters have been combined into a kit that's ideal for accessing R-12 vehicle A/C systems, as well as other types of systems Kit includes five different adapters with 1/4 inch fittings Three flexible adapters: No. 10293 Blue - 1/4 inch MFL x 1/8 inch FFL, No. 10470A Red - 1/4 inch MFL x 3/16 inch FFL, and No. 10778 Yellow - 1/4 inch MFL x 1/4 inch FFL Two 90 brass adapters: No. 10469A - 1/4 inch MFL x 3/16 inch FFL and No. 40563A - 1/4 inch MFL x 1/4 inch FFL