Filtrete 16x20x4 filter packaging shows a 2-pack purification solution
Filtrete 3-in-1 technology diagram explains particle capture for cleaner air
Filtrete MPR 1550 and MERV 12 performance graphic highlights filtration power
Filtrete filter installation in an HVAC unit shows Lennox and Honeywell compatibility
Filtrete particle capture illustration suggests improved air quality
Filtrete dust pollen lint interception emphasizes large-particle filtration
Filtrete 2-pack filtration solution graphic for long-term HVAC upkeep
Filtrete smart app reminders on screen support filter-change planning

Filtrete

Filtrete 16x20x4 AC Furnace Air Filter – MPR 1550, MERV 12, 2-Pack | Fits Lennox & Honeywell

High-performance tools and home improvement made for confident daily results

$71.50

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Why customers choose TaskHolt Tools

Overview

Upgrade your home air filtration with Filtrete 16x20x4, an actual size of 15.88 x 19.88 x 4.31 inches. This 2-pack of long-lasting filters is designed for 4-inch HVAC systems, delivering a balance of strong filtration and steady airflow for furnaces, air conditioners, and compatible air cleaners.

What makes Filtrete 3-in-1 technology stand out

Exclusive Filtrete 3-in-1 technology combines a high filtration rating with an efficient air path. The result is cleaner air passing through your system while unwanted particles are pulled in and trapped. Expect a noticeable difference in how air moves through your vents as filtration works in the background.

Key particle capture

  • Small particles: up to 50% capture for particles in the 0.3 to 1 micron range, based on ASHRAE testing.
  • Large particles: lint, pollen, and ordinary household dust are filtered from the moving air.

Fit, life, and maintenance

Designed to fit Lennox and Honeywell media air cleaners and other systems that call for a 4-inch filter, this Filtrete filter aims to support steady airflow and reduced particle load. For optimal performance, replace the filter at least once per year.

Smart planning and trust

Use the Filtrete Smart App to set reminders for 90, 180, or 365 days, helping you plan filter changes without guesswork. Filtrete is widely recognized as a trusted brand in residential air filtration.

What you get

  • Two high-performance air filters in a single 2-pack
  • Exact dimensions: 15.88 in x 19.88 in x 4.31 in
  • Compatibility with a range of Lennox and Honeywell HVAC setups

FAQ

Q: What size is this Filtrete filter and will it fit my system?

A: Actual size is 15.88 x 19.88 x 4.31 inches; designed for 4-inch filters and compatible Lennox/Honeywell air cleaners.

Q: How often should I replace the filter for best results?

A: Replace at least once every 12 months for optimal performance in compatible HVAC setups.

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