• Spend $70 or more and your order ships free! We'll get your filters out the door fast so you can enjoy clean air and water.*

    * Orders under $70 ship for $5.99.

  • Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

    Learn More

  • Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

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  • Spend $70 or more and your order ships free! We'll get your filters out the door fast so you can enjoy clean air and water.*

    * Orders under $70 ship for $5.99.

  • Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

    Learn More

  • Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

Cart 0

We don't know what's in your water,
but we know there's nothing in your cart.

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14" X 25" X 1" Lifetime Permanent Washable Filter

5
12 reviews
◆
 
Average rating 4.5/5
5 stars
(9)
4 stars
(2)
3 stars
(0)
2 stars
(0)
1 star
(1)
Permatron 3856-1425LRGOur#: 178227
14" X 25" X 1" Lifetime Permanent Washable Filter
14" X 25" X 1" Lifetime Permanent Washable Filter
14" X 25" X 1" Lifetime Permanent Washable Filter
14" X 25" X 1" Lifetime Permanent Washable Filter
14" X 25" X 1" Lifetime Permanent Washable Filter
Compatibility guarantee — Wrong fit or not happy - we'll make it right, up to a whole year
Compatibility guarantee
Compatibility guarantee Wrong fit or not happy - we'll make it right, up to a whole year

Filter Description

If you want to protect your heating and cooling system from dust and dirt - and you are tired of buying disposable air filters, this is the air filter for you! This durable washable filter is designed to provide great value and last a lifetime. Don't drive around town looking for a washable air conditioner filter or furnace filter. Order online and will quickly ship to your front door!
Designed to minimize initial resistance to airflow
Reduces the number of pollutants and allergens in recirculated air and keeps your HVAC system clean
Uses natural static electricity to attract and capture airborne particles
Includes anti-microbial polymeric protection
Durable steel frame
Lifetime warranty
Wash every 30 days under normal use
Made with pride in the USA
100% free returns on all filters

Pack Size

This product has been discontinued.

We're sorry, but this product is not available for purchase at this time.

Please use our finder to locate a compatible alternative.

Compatibility guarantee

Wrong fit, leak, or just doesn’t work? We’ll send the right one. Free return shipping for all orders.

365-day satisfaction

Not happy? Send it back any time in the first year — we’ll make it right. Yes, even an open pack you’ve been running for months.

No-hassle returns

No restocking fees, no return-merch authorization mazes — just start a return and our helpful Customer Experience team will assist.

Filter Maintenance

Is it time to change your Filter?

Generally, we recommend you replace your air filters every 90 days. Find out below if you should change your filters more often.

If someone in your home has asthma or allergies change your filter every

6 Weeks

to ensure indoor air quality is at its best.

If you have pets change your filter every

2 Months

to avoid shedding and odor buildup.

If you have young children change your filter every

2–3 Months

as having clean air is even more important with children in your home.

Filter Specifications

What does this filter remove?

Filtration capabilities
Nominal Size
14 × 25 × 1"
Actual Size
13 ½ × 24 ½ × ⅞"
Filter Media
Woven polypropylene media
Filter Support Grid
Heavy duty steel mesh
Frame
Rugged steel frame
Max Temperature
180F (82C) continuous service, peak 225F (107C)
Max Humidity
Resistant to 100% R.H.

Performance Testing

About This Product

Is this the right air filter for you?

If you want to protect your heating and cooling system from dust and dirt - and you are tired of buying disposable air filters, this is the air filter for you!  This durable washable filter is designed to provide great value and last a lifetime. Don't drive around town looking for a washable air conditioner filter or furnace filter.  Order online and will quickly ship to your front door!

  • Designed to minimize initial resistance to airflow
  • Reduces the number of pollutants and allergens in recirculated air and keeps your HVAC system clean
  • Uses natural static electricity to attract and capture airborne particles
  • Includes anti-microbial polymeric protection
  • Durable steel frame
  • Lifetime warranty
  • Wash every 30 days under normal use
  • Made with pride in the USA
  • 100% free returns on all filters

Customer Reviews

4.5 4.5 out of 5 stars
12 verified reviews
5★
(9)
4★
(2)
3★
(0)
2★
(0)
1★
(1)
5
4.5 / 5 (12)
Beth 998 days ago
5
Arrived quickly and in great shape. My son (HVAC) approved!
Renee D. 1661 days ago
5
Much less waste than disposable type.
Customer 2805 days ago
5
It’s a great product and well worth the price.
Mark K. 2903 days ago
4
Thought this would be a good alternative to having to buy new filters every 3 months. Like that it is washable and seems very well built.
DONALD B. 3177 days ago
5
Have not used it yet but the air filter seem it is built strong and it looks like it will last along time oct 29th 2020 update the filter work great we clean it once a month
Thomas C. 3312 days ago
5
Too early to rate but appears well designed and constructed to provide excellent service in my a/c system.
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