The red light is still flashing after I put a new filter in. (Red light flashes indicating filter needs to be changed.) I don't see a reset button.

You have to push and hold the UV Control Button for 5 seconds to reset the Filter Change indicator.

do we only need this filter? it has the black and white part? or do we need to buy another one?

Yes you do need to buy another one...But if you keep cleaned off it will last about a year...I love mine so much bought another one ,because I live in 2,000 sq ft...

Can the pre-filter be sprayed off with water? We use it next to the cat litter box and it gets dusty fast!

I don't recommend it. The filter will crumble and fall apart (i've tried!). What I normally do is get a disinfectant wipe and wipe the filters down. I have cats too and mine is also relatively close to the liter box.

how often do I change filter?

I thought the sign signal would come up to replace? Or you just replace without the sign coming up? I had mine for more than a year and I haven't changed the filter because the sign never came up? I don't use it all day just when the kids are in the room mostly during night time and it is in low. Could that be it? Should I have it on even when the kids are not in the room?

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Description

🌬️ Elevate your air game—because your lungs deserve the best!

ODOR FREE OASIS - Activated charcoal layer neutralizes stubborn odors from pets, smoke, and household chemicals for fresher indoor air.
COMPACT POWERHOUSE - Slim design (15.77 x 4.76 x 1.29 inches) fits discreetly while delivering maximum filtration performance.
SEAMLESS COMPATIBILITY - Engineered for a hassle-free, glove-like fit with GermGuardian models AC4825, AC4300, AC4850, and more.
ALLERGEN DEFENSE SYSTEM - Pre-filter traps large particles like pet hair and dust, enhancing overall air quality and purifier efficiency.
BREATHE PURE LIVE BETTER - True HEPA filter captures 99.97% of dust, pollen, pet dander, and allergens as small as 0.3 microns.

The GermGuardian HEPA Pure Genuine Air Purifier Filter B is a precision-engineered replacement filter designed to fit multiple GermGuardian air purifier models. Featuring a true HEPA filter that removes 99.97% of airborne pollutants as small as 0.3 microns, combined with an activated charcoal layer to reduce odors, this filter ensures cleaner, fresher indoor air. Its pre-filter captures larger allergens like pet hair and dust, maintaining optimal purifier performance in a sleek, compact design.

Specifications

Brand	GermGuardian
Color	Black/Yellow
Style	HEPA Pure
Material	PET and PP (polyester and polypropylene)
Are Batteries Included	No
Item Weight	0.35 Pounds
Number of Items	1
Global Trade Identification Number	00895916000868
Size	1 Count (Pack of 1)
Manufacturer	Guardian Technologies
UPC	895916000868
Part Number	FLT4825
Item Weight	5.6 ounces
Product Dimensions	15.77 x 4.76 x 1.29 inches
Country of Origin	Mexico
Item model number	FLT4825
Is Discontinued By Manufacturer	No
Pattern	Filter
Item Package Quantity	1
Number Of Pieces	1
Included Components	GermGuardian Filter B HEPA Pure Genuine Air Purifier Replacement Filter
Batteries Included?	No
Batteries Required?	No

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