Feature: Male tapered pipe thread inlet, male outlet Included Everite stem, swivel and copper float Swiveling float ends damage from nuzzling Adjusts to desired water level Not compliant with CA Prop 65 or Safe Water Drinking Act. Usage: The water rose, the float is also increased, the float to the closedposition, the rod driven piston pad, close the inlet When the water drops,the float also followed the decline, connecting rod and piston pad, openthe water inlet. Type: DN15 Color: Sliver, Material: Stainless Steel, Working temperature: from -30 Celsius Degree to 70 Celsius Degree Flow direction: one-way. Uses: water Drive: hydraulic control. Apply pressure: 0.1 - 1.5MPA Size: Ball Diameter:10 cm/2.5", Adjustable Arm Length : 20.8cm/8" Male Thread Diameter:20.5mm/ 1/2" ,suits 20mm Diameter Tube, Quantity: 1 Set. Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set X Float Sensor Valve.