Filter King 24x16.5x1 Air Filter 4-Pack - MERV 8 Pleated Replacement

In this review the Filter King 24x16.5x1 Air Filter 4-pack is evaluated for homeowners and renters who want a straightforward, effective HVAC filter replacement. The bottom line: this set is best for those who need a reliable, pleated MERV 8 filter that balances particle capture and airflow while being made in the USA. Installation is simple and the pleated media noticeably reduces dust in common HVAC systems within a few days of use.

Key Features

• MERV 8 rating: Provides improved capture of airborne particles compared with basic fiberglass filters while maintaining steady airflow for most residential systems.
• Pleated design: The pleats increase surface area to trap more dust and extend the functional life between changes.
• 4-pack convenience: Having four filters on hand supports routine replacement every 30 to 90 days without repeat orders.
• Made in USA: Fully manufactured domestically with stated EPA establishment information for traceability and consistent construction.
• Actual size noted: Labeled 24 in x 16.5 in x 1 in with an actual depth of about 0.75 in so users can confirm fit before installation.
• Easy installation: The open, slide and close design makes swapping filters quick and suitable for DIY maintenance.

Who It's For

This pack is aimed at homeowners, renters, and small households with standard 1 in filter slots who want a balance of particle capture and system efficiency; the MERV 8 rating is appropriate for people concerned about dust, pet dander, and pollen without overtaxing older furnaces or air handlers. The 4-pack format is useful for anyone who prefers to stock several replacements and change filters seasonally or on a 30 to 90 day schedule.

Those who need HEPA-level filtration for severe allergies or medical-grade environments should look for higher MERV or dedicated whole-house systems. Also measure your filter slot and note the stated actual depth of 0.75 in if a precise fit is critical, since a few customers reported fit variations.

Pros & Cons

Pros

• Well-made pleated media captures more dust and particulates than flat fiberglass options.
• Good value: a 4-pack reduces purchase frequency and cost per replacement.
• Made in the USA with consistent construction and clear manufacturer identification.
• Simple, fast installation that most users can complete without tools.

Cons

• Actual depth is about 0.75 in rather than a full 1 in, so double-check the fit for tight slots.
• Durability impressions vary among users, so heavy dust environments may require more frequent changes.

Specifications

Brand	Filter King
Pack size	4-pack
Rated size	24 in x 16.5 in x 1 in
Actual size	24 in x 16.5 in x 0.75 in
MERV rating	MERV 8
Made	United States (EPA Establishment 103501-FL-1)
Recommended change interval	30 to 90 days

Our Verdict

The Filter King 24x16.5x1 4-pack is a practical choice for general residential use, offering a reliable MERV 8 pleated option that captures more dust without compromising airflow. It represents good value for routine maintenance, provided you confirm the actual 0.75 in depth matches your filter slot and replace filters on a 30 to 90 day cadence for best results.

Frequently Asked Questions

Are these true to size?
They are labeled 24 in x 16.5 in x 1 in but the stated actual depth is approximately 0.75 in, so measure your slot before purchasing.

How often should I replace them?
The manufacturer recommends changing 1 in filters every 30 to 90 days depending on household conditions and dust load.

Will these restrict airflow?
With a MERV 8 rating they are designed to trap more particles while maintaining normal airflow for most residential HVAC systems.