Filter King 8x35.5x1 Air Filter 4-Pack - MERV 8 Performance

In this review the Filter King 8x35.5x1 Air Filter 4-pack is evaluated for homeowners and renters who need a straightforward, economical HVAC replacement. The bottom line: this pack is best for those who want a dependable, US-made MERV 8 pleated filter that balances particle capture with airflow. The reviewer found the filters simple to install and effective at reducing dust in living spaces, while noting that actual thickness measures about 0.75 in so buyers should check fit before purchase.

Key Features

• MERV 8 filtration: Provides effective particle capture for common household dust, pollen, and pet dander without restricting airflow.
• Pleated design: The pleats increase surface area to trap more particulates and extend the life of each filter compared with flat media.
• Made in USA: Fully manufactured in the United States with an EPA establishment number, indicating domestic production and quality control.
• Four-pack convenience: Shipping four filters in one purchase simplifies scheduled replacements for up to several months depending on use.
• Easy installation: Open, slide and close design makes swapping filters quick and tool-free for most home HVAC systems.

Who It's For

This 4-pack is aimed at typical households and apartment dwellers who need a mid-level filter for routine maintenance of furnaces and air conditioners. It fits users who want improved indoor air quality from a MERV 8 filter without sacrificing system airflow and who appreciate products made in the United States.

It is less appropriate for those who need high-efficiency filtration (allergies or immunocompromised occupants) where a higher MERV rating is preferable, or for systems requiring an exact 1 in thickness; the actual thickness here is about 0.75 in and a careful size check is recommended before ordering.

Pros & Cons

Pros

• Good balance of particle capture and airflow suitable for general home use.
• Made in the USA, offering consistent manufacturing quality and traceability.
• Simple installation and four filters per pack make replacements convenient and economical.

Cons

• Actual thickness is 0.75 in rather than a full 1 in, so fit can be inconsistent in some frames.

Specifications

Our Verdict

The Filter King 8x35.5x1 4-pack is a practical, value-minded choice for most homes that require routine HVAC maintenance and improved indoor air quality. Its MERV 8 media and pleated construction deliver reliable dust and allergen capture while maintaining airflow, and US manufacture is a plus. Buyers should confirm the 0.75 in actual thickness works in their filter slot before committing.

Frequently Asked Questions

How often should I replace these filters?
Change every 30 to 90 days depending on household conditions and usage; up to 90 days is possible in low-dust settings.

Will these filters reduce airflow in my HVAC?
MERV 8 is designed to trap common particles without significantly impacting airflow for typical systems.

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