Filter King 17x27x1 Air Filter 4-Pack - MERV 8 Pleated HVAC Filters

In this review the Filter King 17x27x1 Air Filter 4-pack is evaluated for homeowners and renters who want a simple, effective replacement for 1 in HVAC filters. The bottom line: these MERV 8 pleated filters capture more household dust and particles than flat fiberglass pads while remaining easy to install and affordable. For anyone seeking a US-made, no-frills filter that balances particulate capture and airflow, this pack delivers consistent results and decent longevity for everyday residential use.

Key Features

• MERV 8 rating: Provides reliable capture of common airborne particles without significantly restricting airflow in most home A/C and furnace systems.
• Pleated design: The pleats increase surface area to trap more dust and extend the useful life of each filter compared with non-pleated pads.
• Made in USA: Fully manufactured in the United States to consistent quality and construction standards.
• Four-pack convenience: Supplies multiple replacements so homeowners can keep a regular 30 to 90 day change schedule.
• Actual sizing noted: Labeled 17 in x 27 in x 1 in with an actual thickness of 0.75 in, which helps buyers check fit before installation.
• Easy installation: Open, slide and close setup makes swapping filters quick and requires no tools.

Who It's For

This 4-pack is best for residents with standard 1 in filter slots who want a middle-ground filter that improves indoor dust control without heavy airflow restriction. It suits people who prefer replace-every-30-to-90-day maintenance and value a US-made product.

It is less appropriate for HVAC systems that require higher-efficiency filtration for medical needs or severe allergies, or for users who need non-standard thicknesses; some customers reported slight variation in fit, so double-check your furnace's slot clearance if your system is tight.

Pros & Cons

Pros

• Good balance of filtration and airflow thanks to the MERV 8 pleated media.
• Well-made construction and consistent quality from a Made in USA manufacturer.
• Four filters in a pack provide value and reduce shopping frequency.
• Simple, tool-free installation is quick for routine maintenance.

Cons

• Actual thickness is 0.75 in, so tight slots may require checking fit before purchase.
• Durability opinions vary among users; some report more frequent replacement needs depending on home conditions.

Specifications

Brand	Filter King
Rated size	17 in x 27 in x 1 in
Actual thickness	17 in x 27 in x 0.75 in
MERV rating	MERV 8
Pack quantity	4 filters
Country of manufacture	United States (EPA Est. 103501-FL-1)
Recommended change interval	Every 30 to 90 days

Our Verdict

The Filter King 17x27x1 4-pack is a practical choice for most homes: it improves dust capture over flat pads, is simple to install, and is made in the USA, making it good value for routine HVAC maintenance. Buyers who need higher efficiency or exact 1.0 in thickness for tight housings should verify fit or consider a different grade.

Frequently Asked Questions

Are these filters truly made in the USA?
Yes, these filters are fully manufactured in the United States and list an EPA establishment number.

How often should I replace a MERV 8 1 in filter?
Manufacturer guidance suggests replacing 1 in filters every 30 to 90 days depending on use, household dust and pet levels.

Will MERV 8 reduce airflow in my home system?
MERV 8 is designed to capture common particles while maintaining normal airflow in most residential systems, but always confirm compatibility with your HVAC manufacturer recommendations.