This is a good well made item that’s really nice to have if the location of your aquarium, like mine, is a good distance away from your water supply outlet. This item makes it easier to maintain regular water maintenance allowing for you clean the gravel and partial water changes. Also to change the whole water tank if needed or whatever amount is needed. Comes with a screen on the suction cup that comes in handy not injuring the fish or animals in your tank. Stops the gravel from being sucked into it also helping not to cause any clogs or anything. So far I haven’t experienced any issues with this leaking or spilling water. The valve connects to your faucet allowing for you to add water or switch the lever and then drain your tank. So you’re able to switch back and forth at will to drain and add water. So far this is a solid nice product helping ease the maintenance of your aquarium upkeep.
Daniel Wheeler 
