Click to expand Tap to zoom John Guest 3/8 to 1/4 "FFL, fits threaded ball lock coupling by John Guest Sale €2,95 99 in stock. 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Fits hose at one end with 3/8 and fits threaded ball coupling at other end. Both hose and threaded ball coupling are available in the shop.