Check the listing for details. 2Pcs Automatic Water Level Control Float Valve 304 Stainless Steel 1/2" & 3/4". Condition: New, Made in China. Listed at 25.19 USD. 1.Float Valve is made of food grade material 304 stainless steel to ensure safe drinking water. With exquisite appearance and durable hard shell, it has strong friction and impact resistance, effectively increasing the service life of the product. We use stainless steel as the valve body, using stainless steel screws, never rust, very safe.2.The float valve works under 0.2 ~ 10pa water pressure, if the water pressure is lower than 0.2pa, the float valve will not be suitable for use, it will not work.3.Operating temperature:0°C ~ 100°C & 0-210°F4.We offer 1/2", 3/4" straight and elbow male fittings for different situations. Whether your tank is top entry or side entry, it is easy to use.5.This float valve is suitable for water tanks,.