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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GermGuardian, Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for Ac4825, Ac4300, Ac4850, Ac4880, Ac4900, Cdap4500, Ap2200, Flt4825

Product ID: 1143665

Details

Brand
GermGuardian
Color
Yellow
Control Method
Touch
Item Weight
5.6 ounces
Product Dimensions
1.29"D x x

🌀99.97% particle capture

🌿Activated carbon odor control

🏠Covers up to 300 sq ft

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Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Breathe Brilliance: Elevate your air, elevate your life.

ROOM READY COVERAGE - Optimized for spaces up to 300 square feet—perfect for your home office or living room sanctuary.
ODOR NEUTRALIZER POWER - Activated carbon pre-filter traps odors from pets, cooking, and wildfire smoke—breathe fresh, always.
SEAMLESS COMPATIBILITY - Fits a wide range of GermGuardian models, making upgrades effortless and worry-free.
ULTRA FINE PARTICLE DEFENSE - Captures 99.97% of particles as small as 0.1 microns for pristine air quality.
TRUSTED NORTH AMERICAN CRAFTSMANSHIP - Proudly made and scientifically validated in North America for unmatched reliability.

The GermGuardian Filter B HEPA Pure Replacement Filter delivers advanced multi-layer filtration that captures 99.97% of airborne particles down to 0.1 microns, including dust, pollen, pet dander, and wildfire smoke. Featuring an activated carbon pre-filter, it effectively reduces odors from cooking, pets, and smoke. Designed and tested in North America, this genuine filter fits multiple GermGuardian air purifier models and covers rooms up to 300 square feet, ensuring cleaner, fresher air in your living or work space.

Specifications

ASIN	B0055521W0
Best Sellers Rank	#839 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2 in Air Purifier Filters
Brand Name	GermGuardian
Color	Yellow
Contaminant Filtration Capability	dust, odors, wildfire_smoke
Control Method	Touch
Customer Reviews	4.8 4.8 out of 5 stars (43,144)
Filter Class	HEPA
Filter Type	HEPA
Floor Area	300 Square Feet
Global Trade Identification Number	00895916000868
Included Components	Genuine GermGuardian HEPA Replacement Filter
Item Dimensions D x W x H	1.29"D x 4.76"W x 15.77"H
Item Type Name	Air Purifier Filter
Item Weight	5.6 ounces
Manufacturer	Guardian Technologies
Model Number	FLT4825
Part Number	FLT4825
Particle Retention Size	0.1 Micron
Smart Home Compatibility	Not Smart Home Compatible
Special Features	HEPA air filters capture 99.97% of dust, allergens, and wildfire smoke particles down to 0.1 microns from the air.
UPC	895916000868
Unit Count	1.00 Count
Warranty Description	No Warranty

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€ 58.35

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In stock

Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Finland.

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