1/4 inch Plastic Adjustable Tube Float Valve Kit for Aquarium Water purifiers , Auto Water Filler Controller Auto-top-Off System, RO Water Reverse Osmosis System (2 Float + 10 Connect)Brand: JBTOZIUY Color: White Features: The float can be manually adjusted for side or top useNo tools required , easy to use . This auto off Float Valve system is easy to install on to your aquarium sumponly suitable for the aquarium which is under 11mm thickness. Standard fitting for water filter systems using 1 4" OD Water tube The Tube Float Valve diameter is 5 8"It can be mounted on the side or top , Comes with a O ring, don't leak. Material: