The product must be installed vertically on a horizontal plane, and the float valve must be downward during installation When in use, the shut-off valve of this valve must be fully opened If two float valves are installed in one pool, they should be on the same level Please clean the impurities in the pipe before installation to avoid impurities from clogging the ball valve When the product is installed inside, there will be water dripping at the bottom of the ball valve, which is a normal phenomenon Size : 25mm Color: Silver Material: stainless steel Package Contents: 1 x Float Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.