1/4" Tube x 1/4" Stem Elbow - Black (1) Use for 1/4 inch quick connect Used to connect B155 or B150 Brewer to adapter and waterline. 1/4 inch tube x 1/4" stem NSF elbow Constructed of Polypropylene with Leak Resistant Dual EPDM O-rings FREE Lifetime Warranty and Telephone Support Available