Recommended flow is 79gph to 788gph. When used as a pond UV sterilizer, water should flow through the unit slowly. As a pond clarifier water flows through faster.
SMART ultraviolet light is for ponds up to 2400 gallons in size Maximum water flow: 788gph Dimensions: 29" x 3" x 1/2"Inlet/Outlet ports: 1-1/2"Wattage: 25
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