UVC The Silver Bullet UV Clarifiers for very Large Ponds
stainless steel will last for many, many years...
MPSSL040W Spectrum Stainless Steel 40 watt UVC 800. -
MPSSL075W Spectrum Stainless Steel 75 watt UVC 1000. -
MPSSL150W Spectrum Stainless Steel 150 watt UVC 1800. -