4 Packs FLT4825 HEPA Replacement Filter B Compatible with AC4825 AC4300 AC4800 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-Filters

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These do not work with Germguardian HEPA Filters. They fit fine but my filter will not turn on with these filters installed. When I install the old filter it works just fine, the outer casing on these is cardboard while the originals are plastic. The appears to be two switches that have to be made up for the filter to function one for the filter installed and the other for the door shut. Can oly assume these filters do not trip the filter switch.

Explained above. I need more time to add further comments

Air cleaner

My GermGuardian air purifier will not even turn on with these filters in place. When I put the old filter in, it works immediately (but the old filter needs to be replaced, which is why I bought these). Do not buy.

Great price and great product. Set in works great with the GERMGUARDIAN HEPA air filter. Uses a plastic exterior instead of paper.

Took exactly 2 minutes to swap these out. Fit perfectly. Arrived fast

The difference in the quality of these replacements compared to the original that came with my air purifier is very apparent. I appreciate the low price tag, but I’ll be purchasing a higher cost, higher quality replacement in the future.

Easy to install and came with extra charcoal filters

Liked the quality. Disliked the price.