Filtrete 20x20x4 AC Furnace Air Filter – MERV 13, MPR 1900, 2-Pack (Actual Size 19.75 x 19.75 x 4.31 in)

Cleaner Air Starts Here with Filtrete Premium Allergen, Bacteria and Virus Filter

Step into a home environment that feels fresher and more inviting with the Filtrete Premium Allergen, Bacteria and Virus filter. This 4-inch pleated filter is engineered to fit standard 20x20x4 slots and bears an exact size of 19.75 x 19.75 x 4.31 inches, arriving as a practical 2-pack that supports year-long maintenance for your furnace, air conditioner, or HVAC system. While it doesn’t guarantee outcomes, it is designed to help your household air flow more freely while filtering a broad range of particles that can travel through your ducts.

At the core of its performance is Filtrete 3-in-1 technology, which combines depth and surface filtration to help cleaner air pass through while capturing numerous microscopic particles. By pairing a strong MERV 13 rating with Filtrete MPR 1900, this filter aims to pull in and trap particles efficiently, including some that can carry bacteria or viruses, alongside everyday irritants like dust and pollen. This combination supports a more consistent air quality flow in homes with varied air-conditioning and heating needs.

What Sets This Filter Apart

• MERV 13 and MPR 1900 performance deliver dual-filtering power for 4-inch filters.
• Exclusive Filtrete 3-in-1 technology pulls in and traps particles while allowing air to flow freely.
• Certified asthma and allergy-friendly, with a focus on reducing common irritants in household air.
• Long-life design supports up to 12 months of use for ongoing maintenance relief.
• Backed by Filtrete’s trusted brand heritage in North America’s HVAC filtration space.

Real-Life Use Scenarios

Imagine a busy household with pets, seasonal pollen, and occasional smoke exposure from nearby activities. The Filtrete filter sits inside the furnace or HVAC unit, guiding air through a dense pleated structure. As fans circulate, the filter catches large particles like dust and pollen while targeting smaller particles that can linger in the air, helping to contribute to a fresher overall atmosphere. In spaces with standard HVAC demands, this filter can offer an aligned balance of filtration strength and airflow, serving as a practical, low-maintenance choice for ongoing air-cycling needs.

• Homes with pets seeking to reduce dander and odors from everyday living
• Households exposed to smoke or wildfire particulates in the broader environment
• Living spaces with seasonal pollen who want to keep indoor air more breathable
• Furnace and central air systems that benefit from annual maintenance consistency

Maintenance and Practical Use

• Change the 4-inch filter at least once every 12 months for optimal performance.
• Utilize the Filtrete Smart App to set reminders at 90, 180, or 365 days.
• Ensure compatibility with systems calling for a 4.31-inch-thick filter and verify fit before installation.

Note: While individual results vary, the Filtrete line emphasizes a high-efficiency approach to filtering and a trusted brand experience. Use as part of a broader home maintenance plan to support cleaner airflow and routine system upkeep.