1/4 in Access Valve Union Tee Connection Size 1/2 in OD x 1/2 in Slip Fit Outside Dia 1/2 in Inside Dia 1/2 in Length 3 in For Use With All CFC HCFC and HFC Refrigerants Includes 1 Threaded Cap 1 Valve Core Per Fitting and 1 Mini Core Remover Per Pack Package Quantity 2