Uner normal conditions how often does the filter need to be replaced?

I have had the 250 for a few months and a slightly different model, 2 Airmega 100 for about a year. These allow you to change the charcoal filter. I vacuum the screen and filters monthly. With these cleanings and open windows with maybe 2 weeks of A/C in summer I would say the filters last a year. No wild fire smoke, a little second hand smoke from another apartment maybe once a night for 15 minutes in the winter in 1 room. To run at an acceptable sound level 24/7 over many days in heavy smoke conditions or summer I recommend getting MORE capacity than you need if you do anticipate wild fire or other smoke. I'm in a 700 sq ft apt divided into 1 large and one smaller area. I have the 250 and a100 for the larger section, and a 250 for the smaller section in anticipation of wildfire smoke years like 2020 when we had this for a few weeks. In summer I run at least one at level 2 all the time. I wouldn't be able to stand hearing them on setting 3 for more than a quick clear out, but on setting 2 they are okay should keep the air clean enough. I bought them slowly over a year's time. They do seem to also act as dehumidifiers - which may or may not be helpful depending on conditions where you live and time of year.

Are the Airmega 250 filters the same as the Airmega 400 filters, i.e., interchangeable?

No, they are not interchangeable! The 250 & 400 filters are different sizes AND the 400 filters are sold in sets of two, because the 400/400S requires two filters (one on each side), whereas the 250/250S requires only one filter.

No, it goes in regular trash in my city.

Coway Airmega 250 250s Air Purifier Replacement Filter Set Max

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Elevate your air game—because clean air is the new luxury.

ODOR WHAT ODOR - Activated Carbon filter slashes 99%+ of food, pet, and smoke odors—keep your environment fresh and inviting.
SURFACE AREA THAT WORKS - High-surface area design traps more contaminants, outperforming standard filters every time.
LONG LASTING PERFORMANCE - Up to 12 months of continuous, premium filtration—less hassle, more peace of mind.
BREATHE PURE LIVE ELEVATED - Removes 99.9% of viruses, bacteria, pollen & more for a healthier workspace and home.
TRUSTED QUALITY PREMIUM BUILD - Genuine Coway replacement ensures top-tier air purification without compromise—because your health deserves it.

The Coway Airmega 250/250S Replacement Filter Set features the advanced Max2 Green True HEPA combined with Activated Carbon technology, removing 99.9% of airborne particles and over 99% of odors. Designed for up to 12 months of reliable use, this genuine Coway filter set covers up to 930 sq ft, ensuring premium air quality for your home or office.

Specifications

Asin	B092XCDTWC
Best Sellers Rank	#163,664 in Kitchen (See Top 100 in Kitchen) #913 in Air Purifier Filters
Brand Name	Coway
Color	Black
Contaminant Filtration Capability	Odors, Pet Dander, Pollen, Volatile Organic Compounds (VOCs)
Control Method	Push Button
Controller Type	Button Control
Customer Reviews	4.6 4.6 out of 5 stars (244) 4.6 out of 5 stars
Eu Spare Part Availability Duration	12 Months
Filter Class	HEPA and Activated Carbon
Filter Type	HEPA
Floor Area	930 Square Feet
Item Dimensions D X W X H	39D x 45W x 47H millimeters
Item Type Name	HEPA Replacement Filter Parts for Airmega 250/S
Item Weight	3.15 Pounds
Manufacturer	Coway
Model Number	AP-1720-FP
Number Of Packs	1
Part Number	AP-1720-FP
Particle Retention Size	0.1
Power Source	Corded Electric
Unit Count	2 Count
Upc	826439000431

Reviews

User

Worth the premium, extremely long service life.

Wouldn't say I look forward to buying these filters due to the cost, that being said these genuine units last a looooong time and I would not want to cheap out. These are as good as any high-end 3m filter in terms of construction and have a huge amount of surface area. The activated carbon still seems to work after running 24/7 for a year or more.

20.07.2025

User

QUE FILTRE MUY BIEN EL AMBIENTE

LLEGO MUY RAPIDO EL REPUESTO

8.06.2023

User

Good quality

Works well, great filter. Easy to clean.

12.01.2026

User

Great filter

It is pricey however it made my home smell clean. The quality is great. It fit right in with no problem.

12.12.2024

User

Easy to install

build quality to last for long time. easy to install

10.05.2025

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€ 217.23

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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Coway Airmega 250/250S Air Purifier Replacement Filter Set, Max 2 Green True HEPA and Active Carbon Filter, AP-1720-FP

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Description

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Common Questions