Carbon Activated Pre-Filter 4-pack for use with the Germ Guardian FLT4825 HEPA Filter, AC4800 Series, Filter B By Complete Filtration Services

These carbon filters came in a 4 pack for the GermGuardian FLT4825. HEPA Filter will last alot longer when using these prefilters. Excellent fit, and arrived quickly. Thank you Amazon seller for great service!

Great filters. I love my purifier machine germ guardian.

This air filter is a quality item and works as specified.

I am beyond pleased with this product. I have had asthma since 18, now 31, & over the past 2 years Ive needed to use my rescue inhaler anywhere from 2-6 puffs per day! THE FIRST NIGHT I TURNED IT ON, IT WORKED. I didnt use my inhaler after work, before bed, or after I woke up in the morning! Its quiet, compact, and light - which makes it easy to move from my living room to bedroom. I would absolutely recommend this air purifier to anyone.

Bad thing is to small for my machine, maybe was bad measured in the supply.

These were supposed to come with the other part of the filter for the air purifier!! I even asked if thats all i needed and I was told yes!!! The box part that the black filter is supposed to go on you never said i needed that as well!!! Now I have these black filters but the box part is missing!!! Thats not right at all!!!

Easy to install and good to have on hand!!

I like that it seems to catch so much. I didnt realize I was breathing all that stuff Even my furniture stays cleaner from dust an pet hair

The HEPA filters can be expensive and this little layer not only removes any odors from the air but acts as a prefilter for dust. This is a multi pack and you simply peal off the old one (best done outside) and then stick the new one on using the velcro strips.

I just changed my pre-filter after 3-4 months of use. I changed it based on time rather than a change in machine operation. It was extremely dirty; it looks like it did its job well. It protected the more expensive HEPA filter. Will buy more when needed.