Brass Water Fill Valve, 1/2" 45 mil EPDM Liner The box sits inside the

The box sits inside the liner and holds fill valves up to 13" long

Volcano and Double Volcano

Measures 20" x 24"

energy efficient compressors with UL listing for outdoor use

Reduces ammonia nitrogen levels in your pond

Brass Water Fill Valve, 1/2" 45 mil EPDM Liner The box sits inside theAvoid the hassle of adding water to your pond with the durable brass 1 2" Water Fill Valve. Water is gradually lost due to evaporation and tiny leaks, and with the water fill valve mounted in your skimmer, the pond will remain filled at all times. Flow rate of the Brass 1 2" Water Fill Valve is 12. 5 GPM (750 GPH) @ 15 PSI, 17. 5 GPM (1050 GPH) @ 35 PSI & 21 GPM (1260 GPH) @ 55 PSI. Fill Valve measures 12. 5" long.