Instruction: Answer the given question using the supporting document.

Input:
Question: Why is it so difficult to get dimensions for countertop compost filters? I need a filter 6.5 inches in diameter. What size are these filters?
Document: Like many others have stated, these were the wrong size for my 1.5 gallon pail. I just wish the page gave the dimensions so you don't have to guess. As for the quality of the product it was only OK, they seemed quite a bit thinner than the filter that came with my pail originally.
Does not fit the 1.5 gallon compost pail I bought on Amazon. The packaging does not state a size on it, so it is understandable. The description needs to be more complete. The replacement filters I got are too big, but I will make it fit by trimming it myself. It's not worth returning, but I won't order again.
I ordered what I thought was the correct size for my 1.5 Gal compost pail but received filters that were far too small for the lid. The problem is that there is no size on the packaging and I think the seller sent the wrong item. I still had the box that my compost pail came in so I knew the size of the pail. The filters are not described well online so you don't really know what you are getting.
This was the wrong size filter, but I find it next to impossible to determine which one is the right size for my compost bin. The suggested filters are not it and there aren't consistent measurements / matches for filters to bins.
Got these for our kitchen composter, the filters get old and need replacing. These are from the manufacturer and fit perfectly.
I thought I was getting 2 filters to fit my countertop composter (which is round). What I rec'd was a round filter that is a little small for my unit, and a square filter that doesn't go anywhere....
These filters work well to keep the compost bucket from smelling. They are fairly easy to remove and reinsert when I wash the bucket. They are a bit messier than other compost filters I have used (such as with my kitty litter box). By this I mean the charcoal itself seems to fall off the filter onto the counter or my hands easily. Haven't had to change yet - so don't know if they truly keep the odors down for 6 months. Time will tell on this. Overall great product.
The measurements were inaccurate in the advertisement. The filter keeps falling off the lid of my compost pail. Perhaps the manufacturer could advise customers how to measure for what they need.
I could find no real guide to the size I neede but these don't stay in the filter hole, I still don't know if I ordered the right thing.
I am very pleased with the composter pail. My former pail was plastic and after time became stained and carried an odor that cleaning would not remove. The stainless steel type cleans beautifully, can be placed in the dishwasher and unlike the ceramic types won't break. This model holds quite a bit of scraps eliminating the need to empty on a daily basis and the double charcoal filter system really works in odor control.
Answer: The set I received had a round and a square filter. The round filter was 6.5 inch in diameter.