Filter King 22x36x1 Air Filter 3-Pack - MERV 8 Pleated Filters

In this review the Filter King 22x36x1 MERV 8 3-pack is evaluated for household heating and cooling use; it is best for homeowners who want a balance of particle capture and maintained airflow without overtaxing their HVAC system. The bottom line: these pleated filters are a practical, made-in-USA option that installs quickly and can run up to 90 days under normal conditions, making them a straightforward replacement for standard 1 in furnace and A/C filters.

Key Features

• MERV 8 rating: Provides reliable capture of common airborne particles while preserving system airflow for efficient heating and cooling.
• Pleated design: Increased surface area helps trap more dust and debris than flat filters, which can extend the effective life between changes.
• 3-pack convenience: Three filters in the box simplify scheduled replacements and reduce the frequency of reorder decisions for most households.
• Made in USA: Fully manufactured in the United States using consistent materials and construction under EPA establishment number 103501-FL-1.
• Actual size listed: The actual dimensions are 21.5 in x 35.5 in x 0.75 in, so measuring your filter slot before purchase avoids fit issues.
• Easy installation: The simple open, slide and close fit makes swapping filters a quick task for most homeowners.

Who It's For

This filter pack is aimed at homeowners and renters with standard 1 in filter slots in furnaces or A/C units who want a mid-range filtration level that balances air quality and system efficiency. It suits those who prefer a domestic supply chain and value the convenience of a 3-pack for regular maintenance.

It is less suitable for users who require hospital-grade filtration or very fine particle capture beyond MERV 8, and anyone who cannot accommodate the actual size of 21.5 in x 35.5 in x 0.75 in should look for a different dimension to avoid poor fit or airflow gaps.

Pros & Cons

Pros

• Good balance of filtration and airflow thanks to the MERV 8 pleated media.
• Three filters per pack offer value and reduce the need to reorder frequently.
• Made in USA construction provides consistent quality control and materials.
• Fast, tool-free installation makes replacements easy for most homeowners.

Cons

• Actual dimensions differ from nominal size, and some customers reported mixed experiences with fit or size accuracy.
• Durability opinions were mixed; a few users noted the pleat strength felt less robust than expected.

Specifications

Brand	Filter King
Pack quantity	3 filters
Rated MERV	8
Nominal size	22 in x 36 in x 1 in
Actual size	21.5 in x 35.5 in x 0.75 in
Recommended change interval	30 - 90 days
Manufacturing	Made in USA (EPA Establishment No. 103501-FL-1)

Our Verdict

The Filter King 22x36x1 MERV 8 3-pack is a sensible choice for typical homes that need reliable particulate removal without compromising HVAC airflow; the pleated design and 3-pack format offer good value for routine maintenance. Buyers should confirm the actual 21.5 in x 35.5 in x 0.75 in dimensions before ordering to ensure proper fit.

Frequently Asked Questions

How long will each filter last?
Each 1 in pleated filter is designed to be effective for up to 90 days, though 30 to 90 days is the recommended replacement window depending on use and indoor conditions.

Will this fit a 22 in x 36 in slot?
The nominal size is 22 in x 36 in x 1 in but the actual size is 21.5 in x 35.5 in x 0.75 in, so measure your filter slot to confirm compatibility.

Does MERV 8 restrict airflow?
MERV 8 is a mid-range rating that captures common particles while maintaining airflow appropriate for most residential HVAC systems.