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

They didn’t fit as advertised

Great price for filters I use all the time.

Love the price and they work great

Buy, buy, buy!! Get these ASAP!!!! They are just as good or even better than the name brand. HUGE money saver!!

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.

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Very happy as it is what it is.

Perfect fit Works as advertised

As others have stated, the FLT4825 filter is not compatible with Germ Guardian Air Purifier. The original filter has a plastic rim that snaps into the purifier. The filter I received has foam liners on the top and bottom of the plastic panel, which prevents the filter from snapping in place, and stops the purifier from turning on.

These are great and for my germ guardian perfectly