Dare 1780 Dare-O-Matic Aluminum Housed Farm Tank Float Valve, 300 GPHPrecision die cast outer housing. Durable molded float. Two sets of brackets, fits poly tanks and steel tanks. 300 GPH Encase styrofoam float Precision die cast outer housing Durable molded float 2 sets of brackets, fits poly tanks and steel tanks. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.