TetraPond GreenFree UV Clarifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Works to keep your pond clean， clear， and free of green algae</li><li>Can typically remove heavy algae blooms within five days</li><li>Designed for ponds up to 660-gallon</li><li>Includes 3/4， 1， and 1 1/4 adapters</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41aedfjyUzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31rYIXSk0oL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31UmVNTKG0L.jpg" noproxy>