The product works fine. It seems a little pricey, and I think it should have been included with the original pump purchase.
I use this filter on a three-tier fountain on the inlet side of the submerged pump. The filter comes with a small plastic inner frame that screws into the pump and fits perfectly in Total Pond item numbers DD11210, DD11330, and DD11560 available on-line at Amazon or from The Home Depot. The pre-formed black filter material is an approx 6" long by 3" wide cylinder (about the size and shape of a 1/2 used roll of toilet tissue) and has the general appearance of fabric that might be used in a large pre-filter on a heating system.The filter slips over the frame and stays in place. The filter material is designed to filter out medium or larger debris (spiders, small leaves, and twigs) that would otherwise become sucked into the pump and clog it over time. Without using a pre-filter, I used to replace pumps about every 1.5-2 years (at about $35 per pump, plus a lot of time and effort in taking the fountain apart and re-sealing it). After buying a pre-filter, I am now into my 4th year on the same pump. So, replacing the pre-filter about once a year has made a very positive difference. I use a 1 ounce chlorine pool tab in my fountain to keep the water clear and over time, the chlorine deteriorates the filter to the point where it needs replacing about once a year. Expect to pay about $12 (Amazon) to $19 (The Home Depot). You will need to have clearance for the approx 6" filter to stick out of the front of the pump. Worthwhile accessory. Buy a few at a time and put it on your garden calendar to replace annually.
Buy TotalPond MF13005 Pond Pump Pre-Filter Now
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