Best Trion Furnace Filters in 2026

3 REPLACEMENT AIR FILTERS: Replacement air filter media for your Trion Air Bear air cleaners; Replace your filter every 6 months for best performance; Part/Model number: 255649-102

SIZE: Nominal size (H x W x D): 20 x 25 x 5 inches; Actual size (H x W x D): 19.75 x 24.25 4.94 inches; (size does not include 0.25-inch gasket located along the top and bottom edges of the filter)

EFFICIENT FILTERING: MERV 8 rated filter maintains efficiency under all operation conditions; Factory-installed double gasket eliminates the need for filter bypass

16x25x5 replacement whole house air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15.75" x 24.75" x 4.38")

Compatible Models: Honeywell Filter Part Numbers (203719, FC35A1001, FC100A1026, FC100A1029, FC100C1009, FC200E1011, FC200E1029), Air Cleaner Models (F25, F35 / F35R, F100 / F150, FC200), Air Kontrol (#DPP51624), Bryant (FILBBCAR0016, FILXXCAR0016), Carrier (CARF8250606, EXPXXFIL0016, EXPXXLMC0016, EXPXXUNV0016, FILCCCAR0016, FILXXCAR0016, CMF1625, P102-1625), Day & Night / Payne (MACPAK16), Lennox (X0583, X6670, HCF16-10)

MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow

MERV 11 filtration

Nominal: 20" x 20" x 5"

Actual: 20 11/16" x 19 3/4" x 5"

MERV 11 filtration

Nominal: 16" x 25" x 5"

Actual: 15 3/4" x 24 1/4" x 4 7/8"

Breathe Cleaner Air - This FC100A1003 Honeywell filter replacement will filter your house more efficiently than a one-inch disposable HVAC filter. It allows only fresh purified air into your home.

Designed with You in Mind - The Honeywell furnace filter with a Minimum Efficiency Reporting Value (MERV) of 11 will capture particles as small as 0.3 microns.

Convenient, Easy Filter Replacement - Furnace filter requires no maintenance, except periodic (every 6-12 months), super easy, in-and-out media air filter replacement. Minimal filter care!

OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system

DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through

ATTRACTS AND CAPTURES microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses--and large particles, including lint, household dust and pollen

Actual Size: 19 3/4 inches (length) x 24 1/4 inches (width) x 4 15/16 inches (depth)

Effective Filtration: MERV 13 synthetic media (comparable with MPR 1500 - 1900 & FPR 10) protects homes from the smallest particles and bacteria (.03 - 1 microns)

High-Quality Contruction: Features an electrostatically charged, pleated design that captures more particles and prolongs the products lifespan by 3 times that of fiberglass models

Actual Size: 19 3/4 inches (length) x 19 7/8 inches (width) x 4 3/8 inches (depth)

Effective Filtration: MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, lint, debris, mold, pollen, pet dander, and dust mites

High-Quality Contruction: Features an electrostatically charged, pleated design that captures more particles and prolongs the products lifespan by 3 times that of fiberglass models

Please measure carefully ! There are several different variations of 16 x 25 x 5 filters- and returns of this item result in high return costs for the Buyer.

GENUINE MERV 11 GENERALAIRE PRODUCT FOR PART # 4511

Nominal Size: 16" x 25" x 5" / Actual Size:15-5/8" x 24-3/16" x 4-15/16"

3 REPLACEMENT AIR FILTERS: Replacement air filter media for your Trion Air Bear air cleaners; Replace your filter every 6 months for best performance; Part/Model number: 255649-101

SIZE: Not all filters are created equal and to ensure this is just what you need, check your necessary measurements prior to ordering; Nominal size (H x W x D): 16 x 25 x 5 inches; Actual size (H x W x D): 15.75 x 24.25 x 4.87 inches; (size does not include 0.25-inch gasket located along the top and bottom edges of the filter)

EFFICIENT FILTERING: MERV 11 rated high-performance filter features electrostatically-charged synthetic material and provides superior efficiency with minimal added pressure drop; Factory-installed double gasket eliminates the need for filter bypass

3 REPLACEMENT AIR FILTERS: Replacement air filter media for your Trion Air Bear air cleaners; Replace your filter every 6 months for best performance; Part/Model number: 255649-101

SIZE: Not all filters are created equal and to ensure this is just what you need, check your necessary measurements prior to ordering; Nominal size (H x W x D): 16 x 25 x 5 inches; Actual size (H x W x D): 15.25 x 24.25 x 4.94 inches; (size does not include 0.25-inch gasket located along the top and bottom edges of the filter)

EFFICIENT FILTERING: MERV 8 rated filter maintains efficiency under all operation conditions; Factory-installed double gasket eliminates the need for filter bypass

Nominal size: 16x25x3; Actual size: 15 3/4"x24 1/4"x3; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7. Product contains foam edging to fit advertised size and ensure best fit

Replaces Air Bear part numbers 229990-101, 435790-028, 488902-002, 259112-101, 259859-002, BestAir Pro AB-31625-11, GeneralAire 4521 and 14164, Lennox X0581, and Rheem 54-25051-02

Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke

Fits Trion Air Bear Model 435790

Fits Honeywell Model 203719

Lasts up to 12 Months. Air Filter Type: Electrostatic

3 PACK OF REPLACEMENT AIR PURIFIER FILTER COMPATIBLE WITH TRION AIR BEAR PART # 255649-101. FITS MOST TRION AIR BEAR MODEL # 16" x 25" x 3".

CLEAN AND HEALTHY LIFESTYLE: Replacing Trion Air Bear filters should help clean and purify air. Our air cleaner, air filters and replacement parts ensure deeper and clean air. Parts for dimension 16" x 25" x 3" inches. Have confidence with a refreshing, clear feeling for a home, house, office, apartment, condo, high-rise, large or small tower, while using elite technologies to help the ozone and purify air.

SIMPLE AND EASY TO INSTALL: Switch out in less than five (5) minutes, providing time efficiency. Get back to daily activity quickly and make a big difference with air quality in the process. Simply remove the older and dirty filter and replace. Our filters fit and dry much better.

Pack of 2 replacement air filters for furnaces, HVAC, and AC systems

Filters out and captures dust, pollen, pet dander, smoke, and other particles

Nanofiber technology captures ultrafine pollutants and offers additional reinforcement

BUY WITH CONFIDENCE This genuine AprilAire 813 replacement air filter was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions – to optimize the performance of your AprilAire Filter Grille Air Purifier Model: 2025FG. Also compatible with Carrier, General, Honeywell, Lennox, Trion, and Ultravation using AprilAire 4897 Upgrade Kit.

CREATE A HEALTHIER HOME by preventing airborne allergens from circulating through the air in your home. This AprilAire 813 replacement air filter traps common allergy triggers as they pass through the MERV 13 filter including dust, pollen, mold spores, bacteria, pet dander, and dust mites.

BETTER PERFORMANCE thanks to the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter

Breathe In Clean Air - Maintain excellent air quality in your living space with these MERV 6 air filters.

Maintain Optimal Air Flow - Help your HVAC system function at its best each day. Measuring 20x30x1", our replacement HVAC filters without restricting airflow.

A Snug & Seamless Fit - Our thick furnace filter pads will easily fit most vents with standard dimensions. You may also cut down the filtration media to your preferred size using a pair of scissors.

Highly-efficient MERV 11 filter, electrostatically-charged synthetic material, provides superior efficiency with minimal added pressure drop Finger supported vertical pleats remain evenly spaced while maximizing dirt holding capacity at the lowest pressure drop Suitable for use with all types of forced- HVAC configurations Factory installed, double gasket, top and bottom, eliminates filter bypass Galvanized rust-resistant wire mesh, integral width filter media, supports media and retains pleats

Actual Size: 19.75'' x 24.25'' x 4.94''

Actual Size: 15 5/8 inches (length) x 24 1/8 inches (width) x 4 7/8 inches (depth)

Effective Filtration: MERV 13 synthetic media (comparable with MPR 1500 - 1900 & FPR 10) protects homes from the smallest particles and bacteria (.03 - 1 microns)

High-Quality Contruction: Features an electrostatically charged, pleated design that captures more particles and prolongs the products lifespan by 3 times that of fiberglass models

MERV 8 AIR FILTER 16x25x3 – Filters Fast Air Filters meet the same quality standards as the name brand filters and we back our 16x25x3 filter with a MERV RATING 8. We are a member of NAFA, The National Air Filter Association. Be wary of cheap filters.

COMPATIBLE WITH – These 16x25x3 air filters MERV 8 are the compatible replacement for Trion Air Bear Cub Filters 259112-101, 255649-101.

ENHANCE AIR QUALITY IN YOUR HOME – The premium MERV 8 rating Filters Fast filters will help with overall air quality while also helping to extend the life of your heating and cooling system.

MERV 10

20 × 20 × 5 Media for MAC2020

Also fits TRION AirBear Supreme 20 x 20

【Efficient Filtering】 The x6675 merv 16 carbon clean filter is an upgraded version of the X6673 (merv 11) and 19L17 (merv 13) models, which can perform air filtration more efficiently compared to the first two，and the furnace filters 20x25x5 is made of coconut activated and carbon coated fiber matrix, and can remove over 95% of impurities less than 0.3 microns,as well as over 90% of impurities greater than 0.01 microns,providing you with the highest quality air environment.

【X6675 Filter Compatibility】:The actual size of X6675 healthy climate carbon clean filter is 24.8 x 4.3 x 19.8 inches ,and the 20x25x5 MERV 16 filter is compatible with Honeywell,Carrier,Trion air Bear models and the HCC02-28 model that accept 20x25x5 filters.

【Simplicity of Operation】:The installation of our furnace filter 20x25x5 is very simple and easy to operate,and the merv 16 carbon clean filter is a suitable replacement for your furnace,air conditioner filte,or HVAC system,used for filter replacement in homes,hospitals,and even anywhere.