Robert Manufacturing R400-3/4 R400 Series Bob Red Brass Float Valve, 3/4" NPT Male Inlet x 3/4" NPT Male Outlet, 39.9 gpm at 85 psi Pressure: Industrial Float Valves: Amazon.com: Industrial & Scientific
NEW Brass 3/4" Ball Float Valve / Ball Cock for Water Tank with 4.5" Float | eBay
3 Pcs Float Ball Valve, 1/2 Inch Water Tank Filter Float Ball Valve, Mini Supply Tube Water Float Valve with Adjustable Arm for Pool, Livestock Water Trough, Aquariums, Aquaculture (Black): Amazon.com: Industrial