Acugauge Backflow Tester Hose Set is Universal Size and Guaranteed to Fit All Makes and Models Backflow Test Kits. 5 ft 45° Swivel 100% Real Brass Couplers 100% 1/4" SAE Real Brass Couplers, Not Iron Painted In Brass Color. Set of 3 (Red, Blue, Yellow) Universal set of (3) 5' backflow test kit hoses plus (3) 1/4" adapters to accommodate all makes and models test kits. The included adapters are for backflow gauges with male threaded ends. If you are replacing hoses with quick coupler ends, such as Midwest, then no adapters are necessary, just keep them for use on the backflow preventer you're testing. Premium soft, flexible hoses engineered specifically for backflow test kits. Guaranteed to fits all makes and models backflow test kits. Color-coded (red, yellow and blue). Ergonomic knurled couplers for easy on and off without tools; straight end attaches to test kit, 90 degree swivel end attaches to the backflow preventer you're testing. Ends are crimped on eight sides for increased strength and durability Lifetime Warranty Maximum working pressure: 500 psi. Fast and Free Shipping plus Free Returns. All Acugauge Brand backflow test kits, accessories, hoses, and adapters qualify for FREE shipping, FREE returns and 30-Day Money Back Guarantee.