Description: 【Fully Automatic Use】: The water level float valve is designed to automatic control the water level, automatically cut off water when water level reaches the set line, without human supervision, reducing manual and improving work efficiency 【Material】: The Pool Auto Fill Float Valve is made of quality plastic, high temperature resistant, water pressure resistant, long service life 【Easy To Install】: This Automatic Float Valve mechanical principle, no need for electric drive, universal interface design, easy installation 【Application】: This Automatic Float Valve suitable for water towers, water tanks, livestock drinking troughs, distillation equipment, aquariums, etc 【Stable and Reliable】: The float valve has a great design that ensures stable to use under various environmental conditions over a long period times, reducing maintenance frequency and saving operating costs Specification: Material: Plastic Size Chart: Optional: Inner Diameter 20mm Top: 12.5 cm x 5.7 cm/4.92 inch x 2.24 inch or Inner Diameter 20mm Side: 11 cm x 8.3 cm/4.33 inch x 3.27 inch or Inner Diameter 25mm Top: 12.5 cm x 5.7 cm/4.92 inch x 2.24 inch or Inner Diameter 25mm Side: 11 cm x 8.3 cm/4.33 inch x 3.27 inch Package Includes: 1x Inlet Valve 1x PVC Elbow(Random) 1x Filter 1 Material Belt (Inner Color Random) Note: Please allow slightly errors 1-2cm differences due to manual measurement.