Adapter A: 5/8-16 UN, Adapter B: 5/8-18 UNF, Adapter C: G 1/2" Standard Universal, or 13/16. Easy to install, no tool needed, just screw it on. You can switch functions by pressing the button. Includes 2 Spray options for you to choice, wide spray and aerated stream, you just need to press the toggle button to switch from stream to spray, it will give you a comfortable operation experience.
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