$53.99 Dixon Reusable Fitting 1/4 in. ID x 1/2 in. OD Hose x 1/4 in. Male NPTF - John M. Ellsworth Co. Inc.
Amflo 808 Brass Barb Air Hose Fitting for 1/2″ Hose ID x 1/2″ MNPT - Tire Supply Network
1/2 in. Steel Industrial Quick Coupler Set, 4 Piece
