3-Piece Float Valve Set, 1 / 2-Inch Water Supply Pipe Float Valve with Adjusting Arm for Swimming Pool, Aquarium (Gray) - Walmart.com
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
DIAL 1/4 in. Evaporative Cooler Bronze Float Valve 4161 - The Home Depot
BIGboy™ Float Valve: ¾"
DIAL 1/4 in. Evaporative Cooler Standard Float Valve 4102 - The Home Depot