Filter King 11.5x22x1 Air Filter 4-Pack - MERV 8 Pleated HVAC

In this review of the Filter King 11.5x22x1 air filter 4-pack, the bottom line is straightforward: this is a practical, no-frills replacement filter for homeowners who want reliable dust control and a clear fit for 1 in filter slots. The reviewer found the pleated MERV 8 media captures common airborne particles without noticeably restricting airflow, and the pack of four makes routine maintenance simple. Installation is basic and the filters are fully manufactured in the United States, which will matter to buyers who prefer domestic production.

Key Features

• MERV 8 rating: Balances particle capture and airflow so homes see improved indoor air quality without overtaxing HVAC systems.
• Pleated construction: The pleats increase filter surface area, which helps trap more dust and extends the filter lifetime compared with flat media.
• Four pack: Supplies multiple replacement cycles which makes it easier to follow the recommended 30 to 90 day change interval for 1 in filters.
• Made in USA: Fully manufactured domestically using materials and construction tracked to an EPA establishment number for traceability.
• Practical sizing: Label size 11.5 in x 22 in x 1 in with actual thickness near 0.75 in, so buyers should verify slot clearance before purchase.
• Fast installation: Open, slide and close design makes replacements quick for typical furnace and A/C slots.

Who It's For

The Filter King 11.5x22x1 4-pack is best for homeowners or renters who need an affordable, effective upgrade from basic fiberglass filters and want a MERV 8 level of particle control without significant HVAC impact. It suits people who replace filters on a seasonal schedule and appreciate the convenience of a multi-pack.

Those who need higher filtration for allergies, medical concerns, or very fine particle capture should look for higher MERV ratings or more specialized filtration. Also verify that your filter slot accepts the slightly under 1 in actual thickness before ordering.

Pros & Cons

Pros

• Good balance of filtration and airflow with a practical MERV 8 rating.
• Pleated design captures more dust than flat media, improving indoor air quality within days.
• Four-pack offers value and easy scheduling of replacements.
• Manufactured in the USA, which some buyers prefer for quality and traceability.

Cons

• Actual thickness is about 0.75 in, so some housings expecting a full 1 in may require verification or adjustment.
• Some users report occasional fit or installation difficulty, so measuring before buying is wise.

Specifications

Brand	Filter King
Pack quantity	4 filters
Rated size	11.5 in x 22 in x 1 in
Actual size	11.5 in x 22 in x 0.75 in
MERV rating	MERV 8
Made in	United States (EPA Establishment No. 103501-FL-1)
Recommended change interval	30 to 90 days for 1 in filters

Our Verdict

The Filter King 11.5x22x1 4-pack is a solid, value-oriented choice for typical homes that need dependable dust control and straightforward installation. With a MERV 8 rating, pleated media and domestic manufacture, it delivers improved indoor air quality and multi-cycle convenience at a reasonable price, provided the actual 0.75 in thickness fits the intended slot.

Frequently Asked Questions

How often should these filters be changed?
Change every 30 to 90 days depending on use and home conditions; the manufacturer notes filters can last up to 90 days.

Will MERV 8 affect HVAC airflow?
MERV 8 is designed to trap common particles without significantly impacting airflow for most residential systems.

Is the stated size exact?
The labeled size is 11.5 in x 22 in x 1 in but the actual thickness is approximately 0.75 in, so confirm slot clearance before installing.