Retisee 2 Sets Pond Replacement Filter Pads, Coarse and Fine Filter Pads Set Compatible with 52231 and 52229 Box for Outdoor Water Aquarium Fountain

I had heard, and when I saw them , they looked small. What I did was to run them under hot water and gently stretch them. They spread to their full size from their vacuum pack and fit my Smartpond box perfectly.

Worked perfectly for my pond pump filter box! Make sure to let them expand out of the package overnight!

After removing them from a vacuum sealed bag they initially did not attain specified size. I then proceeded to return them as they were too small. The following day I decided to recheck them as they appeared slightly larger and found that they fit properly. So with vacuum sealed products give it a few days before sending them back.

These are horrible! Cheap materials that were shrink wrapped but didn't fluff back out.

Filter pads fit perfectly, work well and are long lasting.

Great size and easy to clean.

This was suggested with the filter I bought for my pond but these ended up not fitting well.

I go through these running my pond pump to clean water that geese and ducks swim in. Same as original materials and great pricing. They do wash out well by hand but eventually need replacement.