This filter isn't as good as the original filter it replaced. When I first bought the air purifier, it did a fantastic job of absorbing odor from the litter box. Now that the original filter is gone and I am using this replacement, there are times when the odor can overwhelm its capabilities.I suspect it has something to do with the use of (more?) baking soda in the original filter. I have no idea if the replacement uses any.
Secondly, these filters are exceedingly difficult to find. Because none of the local retailers carry it anymore -including the store that sold me the air purifier -I have to buy it online.
Lastly, this filter is darned expensive!
The moral of the story: If you're buying an air purifier, make sure the filters are easily replaceable and at a reasonable price.
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