2Pc Float Valve 3/8 Inch Mini Float Ball Valve with adjustable setting and built in water filter provides automatic water filling and stopping for a clean water supply. Automatic fill and shutoff for overflow prevention Adjustable installation and operation for quick setup and precise control Built in water filter delivers cleaner water supply Durable PE plastic construction, resistant to low temperatures, ensuring long lasting performance in challenging environments Compact two piece design compatible with 3/8 inch connections Applications Ponds and water features Water storage tanks and toilet storage tanks Water purifiers, pools, aquariums, aquaculture, and industrial tanks Use scenarios Outdoor ponds and water features that require a steady water level without constant monitoring Toilet storage tanks or water purification systems where automatic refill is desirable Aquariums, aquaculture tanks, pools or industrial tanks to maintain water level and prevent overflow