Pleated HVAC Filters, MERV 8, Made in USA, 21x23x1, 4-Pack

The actual size of this pleated MERV 8 filter is 21 x 23 x 1-3/4 inches. Our 21x23x1 Furnace Filters are designed to last up to 90 days, making them an ideal choice for maintaining the efficiency of your heating and cooling systems. These pleated 1-inch air filters are perfect for the job, but it's crucial to ensure you measure your filter accurately before making a purchase.

Introducing the Filter King Merv 8 21x23x1 4-Pack Air Filter. This MERV 8 rated air filter is fully manufactured in the United States, crafted from the highest quality materials and construction to provide maximum performance. With an EPA Establishment Number of 103501-FL-1, you can trust that this product meets the highest standards.

One of the key benefits of the Filter King Merv 8 21x23x1 4-Pack Air Filter is its extended lifespan. These filters can last up to 90 days before needing replacement, allowing you to enjoy clean, filtered air for an extended period. However, it's important to note that we recommend changing your home air filter every 30 to 90 days for 1-inch filters to maintain the longevity of your HVAC system.

The pleated design of the Filter King Merv 8 21x23x1 4-Pack Air Filter is engineered to capture more particles, effectively protecting your home and extending the lifetime of the filter. The MERV (Minimum Efficiency Reporting Value) 8 rating ensures that the filter traps airborne particles without impacting the airflow, providing you with a noticeable difference in air quality within 48 hours.

Installing the Filter King Merv 8 21x23x1 4-Pack Air Filter is a breeze. Simply open the packaging, slide the filter into place, and close it up – a simple yet effective replacement air filter for your home. With its fast and easy installation, you can enjoy the benefits of clean, filtered air with minimal effort.

In summary, the Filter King Merv 8 21x23x1 4-Pack Air Filter is a reliable and high-performing solution for maintaining the efficiency of your heating and cooling systems. Manufactured in the USA using the finest materials, this filter can last up to 90 days and capture more particles without compromising airflow. With its easy installation and MERV 8 rating, you can breathe easy knowing your home is protected from airborne contaminants. Invest in the Filter King Merv 8 21x23x1 4-Pack Air Filter and experience the difference in your indoor air quality today.

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