Filter King 17.5x17.5x1 Air Filter 5-Pack - MERV 8 Pleated

In this review of the Filter King 17.5x17.5x1 air filter 5-pack, the bottom line is simple: this is a straightforward, well-made replacement for homes that need an odd-size pleated filter with dependable particle capture. The pack is aimed at homeowners and renters who want a mid-level MERV 8 filter made in the United States and who value a pleated design that traps dust without noticeably restricting airflow. Installation and fit are uncomplicated, and the pack offers a sensible balance of performance and value for routine HVAC maintenance.

Key Features

• MERV 8 rating: Provides consistent capture of common airborne particles such as dust and pollen while maintaining normal HVAC airflow for most residential systems.
• Made in USA: Fully manufactured in the United States with traceable EPA establishment information for customers who prefer domestically produced components.
• Pleated construction: The pleated media increases surface area, which helps trap more particles and extends the time between changes compared with flat filters.
• 5-pack convenience: Supplying five filters at once reduces shopping frequency and ensures replacements are on hand for regular 30-90 day maintenance cycles.
• Easy installation: The open, slide and close design makes swapping filters a quick task that most homeowners can complete without tools.
• Actual size note: The nominal size is 17.5 in x 17.5 in x 1 in, with an actual thickness of 0.75 in, important for ensuring correct fit in return vents and housings.

Who It's For

The Filter King 17.5x17.5x1 5-pack is best for homeowners, renters, or property managers who need an odd-sized 17.5 in x 17.5 in replacement and prefer a mid-grade MERV 8 pleated filter made in the U.S. Its balance of particle capture and airflow makes it a practical choice for standard residential A/C and furnace systems.

Those who require higher filtration for allergy or medical needs, or systems that specify thicker filters for heavy-duty filtration, should look for higher MERV ratings or deeper media. Also verify the 0.75 in actual thickness will fit your filter slot before buying.

Pros & Cons

Pros

• Good particle capture for routine indoor air quality improvement without compromising airflow.
• Well-made construction that customers report fits return vents correctly and collects dust effectively.
• Made in the United States, providing clear manufacturing origin and EPA establishment details.
• Five filters in a pack offers value and convenience for scheduled replacements.

Cons

• Actual thickness is 0.75 in, not a full 1 in, so measure your housing to confirm fit before ordering.
• As a MERV 8 filter, it is not intended for users needing hospital-grade or high-allergen filtration.

Specifications

Brand	Filter King
Nominal Size	17.5 in x 17.5 in x 1 in
Actual Size	17.5 in x 17.5 in x 0.75 in
MERV Rating	MERV 8
Pack Quantity	5 filters
Country of Manufacture	Made in USA (EPA Est. 103501-FL-1)
Recommended Replacement	Every 30-90 days

Our Verdict

The Filter King 17.5x17.5x1 5-pack is a practical, well-constructed choice for homeowners seeking a mid-range MERV 8 pleated filter in an uncommon size. It provides reliable dust and particle capture, made domestically, and the five-pack offers good value for routine maintenance; just confirm the 0.75 in actual thickness fits your filter slot.

Frequently Asked Questions

How often should these filters be changed?
Filter King recommends changing 1 in filters every 30-90 days depending on use and indoor conditions.

Will a MERV 8 filter affect my HVAC airflow?
MERV 8 is designed to trap common particles while maintaining normal residential airflow for most systems.

Is the listed size exact?
The nominal size is 17.5 in x 17.5 in x 1 in; the actual thickness is 0.75 in, so measure your housing to ensure a proper fit.