Filter King 22.25x25x1 Air Filter 4-Pack - MERV 13 Performance

In this review the Filter King 22.25x25x1 air filter 4-pack is examined for homeowners who want stronger particle capture without sacrificing airflow. The bottom line: this set is best for people seeking a reliable MERV 13 pleated replacement that is fully manufactured in the USA and designed to last longer between changes. Installation is simple and the manufacturer recommends up to 90 days of use for these 1 inch filters, making them a practical option for routine HVAC maintenance.

Key Features

• MERV 13 rating: Captures more airborne particles including fine dust and pollen while allowing adequate airflow for most HVAC systems.
• Pleated design: The pleats increase surface area so each filter traps more particles and tends to last longer than flat media.
• 4-pack convenience: Includes four filters so households can replace filters seasonally without multiple orders.
• Made in USA: Fully manufactured in the United States with an EPA establishment number noted, which will matter to buyers who prefer domestic production.
• Long recommended life: Rated for up to 90 days between changes for typical use, reducing the frequency of replacement compared with lower grade filters.
• Easy installation: Simple open, slide and close design lets a homeowner swap filters quickly during routine maintenance.

Who It's For

This product is well suited to homeowners and renters with forced-air heating and cooling systems who want improved indoor air quality and fewer airborne particles. Allergy sufferers and households with pets will appreciate the enhanced capture efficiency from the pleated MERV 13 media.

It is not ideal for systems that require a thicker filter or specialized filter cartridges; buyers should verify compatibility as the advertised size is 22.25 in x 25 in x 1 in with an actual thickness of 0.75 in. Customers who need extremely rigid filter frames or an ultra-heavy duty construction may want to consider a different style.

Pros & Cons

Pros

• High particle capture from a MERV 13 rating improves air clarity within days.
• Pleated construction extends service life compared with flat filters.
• Made in the USA with documented manufacturing information for traceability.
• Comes as a 4-pack, convenient for scheduled replacements.

Cons

• Some customers note concerns about sturdiness and occasional collapse under pressure, so gentle handling during installation is advised.
• Size is reported mixed by users; double-check your slot dimensions since the actual thickness is 0.75 in not a full 1 in.

Specifications

Brand	Filter King
Model size (advertised)	22.25 in x 25 in x 1 in
Actual size	22.25 in x 25 in x 0.75 in
MERV rating	13
Pack quantity	4-pack
Country of manufacture	Made in USA (EPA Establishment 103501-FL-1)
Recommended replacement	30-90 days for 1 in filters

Our Verdict

The Filter King 22.25x25x1 4-pack is a solid choice for homeowners who want better indoor air quality with a MERV 13 pleated filter that is made in the USA and intended to last up to 90 days. It offers good particle capture and easy installation, making it good value for routine HVAC maintenance, provided you confirm the actual 0.75 in thickness fits your filter slot and handle the media gently to avoid any stiffness or sturdiness concerns.

Frequently Asked Questions

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

How often should these filters be changed?
The manufacturer recommends changing 1 in filters every 30 to 90 days depending on use, with many users finding good performance up to 90 days.

Will a MERV 13 filter affect my airflow?
MERV 13 traps more particles but is designed not to significantly impede airflow in most residential HVAC systems; still confirm your system supports a MERV 13 1 in filter.