17.25x35.25x1 Air Filter 4-Pack MERV 8 - Made in USA

In this review the Filter King 17.25x35.25x1 4-pack is evaluated for homeowners and renters who need a reliable, easy-to-install replacement for standard A/C and furnace return slots. The single biggest reason to buy is straightforward: these are pleated MERV 8 filters manufactured in the United States that balance particle capture and airflow, making them a practical choice for everyday dust and allergen reduction without straining HVAC systems.

Key Features

• MERV 8 rating: Captures common airborne particles such as pollen, dust and pet dander while keeping airflow steady for efficient HVAC operation.
• Pleated design: The pleats increase surface area to trap more particles and help extend the useful life of the filter between changes.
• Made in USA: Fully manufactured domestically with EPA establishment information, which speaks to consistent production and material standards.
• 4-pack value: Includes multiple filters so replacements are on hand, reducing the frequency of orders and ensuring timely changes every 30 to 90 days.
• Easy installation: The simple open, slide and close design makes swapping filters a quick task for most homeowners.

Who It's For

The Filter King MERV 8 17.25x35.25x1 4-pack is best for residential users who want improved air quality without higher-resistance filters that can tax older HVAC systems. It suits households concerned with dust, pollen and pet dander and those who prefer filters made in the USA.

Those who need medical-grade filtration or capture of very fine particles (smoke or ultrafine particulates) should look for higher MERV ratings or specialized filters; similarly, if exact heavy-duty firmness is a priority, some users reported mixed impressions about sturdiness.

Pros & Cons

Pros

• Good balance of particle capture and airflow from a MERV 8 pleated media.
• Made in the USA, which supports consistent production quality and traceability.
• Four filters per pack deliver convenience and immediate replacements for scheduled changes.
• Fast, tool-free installation makes maintenance easy for homeowners.

Cons

• Actual thickness is 0.75in which may affect a tight fit in some frames; a few customers noted size or fit concerns.
• Some users described variability in sturdiness, so they may not feel as rigid as higher-end options.

Specifications

Brand	Filter King
Nominal Size	17.25 in x 35.25 in x 1 in
Actual Size	17.25 in x 35.25 in x 0.75 in
MERV Rating	MERV 8
Pack Quantity	4 filters
Country of Manufacture	Made in USA (EPA Establishment 103501-FL-1)
Recommended Change Interval	30 to 90 days for 1 in filters

Our Verdict

The Filter King 17.25x35.25x1 MERV 8 4-pack is a sensible, value-oriented choice for most homes that need routine filtration of dust, pollen and pet dander. With Made in USA construction, pleated media and easy installation, it offers good performance for the price, though buyers who require heavier-duty rigidity or finer particle capture should consider alternatives.

Frequently Asked Questions

How often should these filters be changed?
Change every 30 to 90 days depending on usage, pets and local dust levels; the manufacturer notes filters can last up to 90 days.

Will a MERV 8 filter restrict airflow?
MERV 8 balances capture with airflow and is designed to trap common particles without significant impact on most home HVAC systems.

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