Filtrete Allergen Defense Air Filter, 1000 MPR, 9823-4, 14 in x 24 in x 1 in (35,5 cm x 60,9 cm x 2,5 cm) Case of 4

• #1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022)
• A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you!
• ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
• CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters
• FOR RESIDENTIAL use only
• MPR 1000 has a rating of MERV 11
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it

The Filtrete Allergen Defense Filter outperforms non-electrostatic pleated and washable 1-inch filters at capturing microscopic allergens like dust, smoke, and smog particles and large allergens like mold spores and pet dander. Opt for a Filtrete Allergen Defense Air Filter to transform your central heating and cooling system into a whole-home air filtration operation. This no-nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog).

Trusted Filtrete Brand Model

The Filtrete Allergen Defense Air Filter, model 9823-4, is a top choice for home air quality. This filter is part of the well-known Filtrete brand, which is the #1 recommended brand for HVAC air filters in the US.

Choosing this model means relying on a trusted name that consistently delivers effective air filtration. The 9823-4 model is designed to fit standard HVAC systems and improve your home's air quality.

Effective Allergen Defense Grade

This air filter features a 1000 MPR rating, which corresponds to a MERV 11 grade. It captures a wide range of particles including pollen, pet dander, dust, smoke, and smog, helping reduce allergens in your home.

The MPR 1000 rating means it traps more microparticles than lower-rated filters. This makes it ideal for households looking to improve indoor air quality and reduce allergy symptoms.

Precise Size Dimensions

The filter measures 14 inches by 24 inches by 1 inch (35.5 cm x 60.9 cm x 2.5 cm), making it compatible with many standard HVAC systems. Proper sizing ensures optimal airflow and filtration efficiency.

Using the exact dimensions helps maintain your system’s performance and prevents air bypass around the filter. This size is common in residential heating and cooling units.

Smart Format Technology

Designed with Filtrete Brand 3-in-1 technology from 3M, this filter traps unwanted particles while allowing cleaner air to flow through. This technology enhances filtration without restricting airflow.

The filter is pleated and non-electrostatic, outperforming fiberglass and washable filters. Its format supports efficient heating and cooling system operation.

Convenient Pack Count

This product comes as a case of 4 filters, providing a convenient supply for regular replacement. Changing filters every 90 days helps maintain system efficiency and air quality.

Having a pack of four ensures you won’t run out and can keep your HVAC system running smoothly. The included filters fit the specified dimensions and model perfectly.