Filtrete SlimFit 15.5x24.5x3.75 in Air Filter, MPR 1550, 2-Pack – Fits Lennox and Honeywell

Filtrete SlimFit 15.5 x 24.5 x 3.75 in Air Filter

Meet the Filtrete SlimFit air filter, designed to slot into tighter HVAC compartments without compromising filtration performance. Each 2-pack contains two filters built for a full year of use in compatible furnaces and air conditioners. The exact 15.5 x 24.5 x 3.75 inch frame pairs with Lennox and Honeywell devices, making installation straightforward and predictable while maintaining steady airflow.

Powered by exclusive Filtrete 3-in-1 technology, this filter combines high efficiency with clean air flow. It carries an MPR 1550 rating and a MERV 12 rating, situating it among filters that balance particle capture with unrestricted air movement in typical home systems. The result is a practical option for households seeking stronger filtration without sacrificing comfort or system efficiency.

What you might notice in everyday life

Realistic, everyday benefits may include improved air quality as the filter works to capture a range of irritants and particles. In busy homes or urban settings, you could experience easier breathing during allergy seasons and in environments with cooking smoke or outdoor pollution, all while keeping your HVAC running smoothly.

According to tested performance data, the filter can capture up to 50 percent of small particles in the 0.3 to 1 micron range, which includes certain bacteria and particles that can carry pollutants. It also traps larger particles such as lint, pollen, and household dust, helping to maintain a cleaner air stream through your living spaces.

Key benefits and practical details

• Two-pack convenience supports a year of filtration per filter in 3.75 inch slots
• High efficiency with MPR 1550 and MERV 12 for a broad range of particle sizes
• Exclusive 3-in-1 Filtrete technology pulls in and traps unwanted particles while letting clean air pass through
• Asthma and allergy-friendly certification adds confidence for sensitive spaces

• Contains at least 50 percent recycled content, verified by GreenCircle Certified
• Smart App reminders help schedule filter changes on iOS or Android
• Designed to fit Lennox and Honeywell devices for seamless compatibility
• Recommended roughly every 12 months for optimal performance in compatible HVAC systems

Why filter with Filtrete

Filtrete is a widely recognized name in HVAC filtration, with brand health data highlighting its prominence among residential air filters in North America. This SlimFit version emphasizes compact design, strong filtration, and practical replacement cycles, aiming to support a cleaner home environment without overpromising results.