Robinair (40396 Access Tee Fittings - Pack of 3 Robinair Access Tee Fitting Allows retention of schrader valve access when extending a line 1/4 inch female flare swivel end includes valve core depressor 1/4 inch male flare side outlet (branch) includes a schrader valve while 1/4 male flare straight outlet is open - no core Pack of 3