Robinair 40563A 90&deg; Style Adapter for A/C and Refrigeration Use - 1/4" MFL x 1/4" FFL 90 degree adapter is ideal for tight spots or locations where making connections is difficult 1/4 inch Male Flare x 1/4 inch Female Flare Coupler nut features deep knurling for a positive grip that enables quick finger-tightening Cast and machined brass components ensure durability and long term performance Sold individually