Filtrete 17x21x1 AC Furnace Filter – MERV 8, MPR 700, 4-Pack (16.69 x 20.69 x 0.81 in)

Upgrade your indoor air with Filtrete 17x21x1 Filter

The Filtrete Dust, Pollen, and Pet Dander filter is a 4-pack designed to work with most standard furnaces and air conditioners. Its electrostatically charged pleated media attracts and traps a broader range of particles—lint, dust, pollen, and pet dander—so each pass through your HVAC system can leave the air a touch fresher. The 1-inch depth keeps compatibility with common filter slots while maintaining an efficient balance between filtration and airflow.

What makes this filter stand out

• Electrostatic 3-in-1 technology helps attract and capture particles without overly restricting airflow
• MPR 700 rating corresponds to a MERV 8 filtration level, addressing a wide spectrum of indoor particles
• Designed as a pleated, 4-pack solution for ongoing replacement every 90 days or as your schedule requires

With each cycle through your system, cleaner air circulates more freely, especially in rooms that see daily activity, pets, or seasonal pollen. The 4-pack provides a ready supply for several months, reducing downtime between replacements and helping you plan maintenance with less effort.

Real-life scenarios where it helps

• Homes with pets or frequent dusting benefit from reduced particle buildup on surfaces
• Living spaces during pollen season can feel fresher as pollen is captured before circulating
• Rooms with high foot traffic or open-plan layouts where air moves quickly through the home

How to use and maintain

• Change the filter every 90 days for consistent performance in most residences
• Use the Filtrete Smart App to scan the packaging barcode and set a 30, 60, or 90-day replacement countdown

Product highlights at a glance

• Actual size: 16.69 x 20.69 x 0.81 inches, suitable for many standard HVAC housings
• 4-pack of 3-month pleated filters delivers ongoing filtration with easy replacement
• Exclusively designed 3-in-1 Filtrete technology to trap a broad range of particles while keeping air flowing

Note: This description summarizes notable benefits from the data. Real-world results vary by home, usage, and environment. This is not a medical claim.