Danner Pondmaster UV Clarifier

Submersible UVC 2910 Submersible UVC 2920 Submersible UVC 2940 suitable for small ponds up to 1,500 gallons using pumps up to 700 gph suitable for medium ponds up to 1,800 gph suitable for large ponds up to 3,000 gph -fully submersible unit's vortex flow design exposes water longer to uv light-glowing monitor halo ring, visible from any angle immediately shows it's working-comes womplete with 9000 hour, long life 10 watt lamp and water tight quartz sleeve-includes transformer and 18' grounded power cord-black color is unobtrusive whether used in or out of the water-3/4" barbed fitting for inlet and outlet-packed 2 per master-1 year limited warranty -two glowing monitor halo rings-complete with 9000 hour, long life 20 watt lamp and water tight quartz sleeve-1" barbed fitting for inlet and outlet-packed 2 per master-1 year limited warranty -three glowing halo rings-complete 9000 hour, long life 40 watt lamp and water tight quartz sleeve-1-½" threaded fitting with 1-½" barbed elbo