11.25x23.25x1 Air Filter 3-Pack MERV 8 - Pleated A/C Furnace Filter

Our review of the 11.25x23.25x1 MERV 8 air filter 3-pack focuses on homeowners who want a straightforward, reliable replacement for standard 1 in furnace and A/C slots. The bottom line: this pleated filter delivers solid particle capture and long life for routine household use, with the biggest reason to buy being its combination of a MERV 8 rating and an economical 3-pack designed to last up to 90 days between changes. It is an uncomplicated option for those who prioritize improved air quality without complex installation or specialty fitments.

Key Features

• MERV 8 rating: Provides effective capture of common airborne particles such as dust and pollen without impeding typical home HVAC airflow.
• Pleated construction: The pleated design increases surface area to trap more particles and extend the usable life of each filter.
• 3-pack convenience: Three filters in the package reduce the need for frequent repurchasing and support routine changes every 30 to 90 days.
• Made in USA: Fully manufactured in the United States using consistent materials and production standards.
• Fast installation: Simple open, slide and close design makes swapping filters quick and straightforward for most homeowners.
• Actual size callout: The real filter dimensions are 11.25 x 23.25 x 0.75 in, which helps users confirm fit before purchase.

Who It's For

This product suits homeowners and renters with standard 1 in filter slots who want a no-frills filter that balances particle capture and airflow. It is particularly useful for those who change filters seasonally and prefer buying a multi-pack to cover several months of use.

Those who need higher filtration for allergy or medical needs should look for a higher MERV rating, and anyone requiring nonstandard or exact 1.0 in thickness without the actual size adjustment should confirm dimensions before buying.

Pros & Cons

Pros

• Sturdy pleated build that customers report is easy to install and holds up during use.
• Good balance of filtration and airflow thanks to the MERV 8 rating, improving home air quality within days.
• Three filters per pack provide value for routine replacement cycles and convenience.
• Manufactured in the United States, offering consistent quality control.

Cons

• Actual thickness is 0.75 in which can confuse buyers expecting a true 1 in thickness; measuring before purchase is recommended.

Specifications

Brand	Filter King
Pack Quantity	3
Nominal Size	11.25 x 23.25 x 1 in
Actual Size	11.25 x 23.25 x 0.75 in
MERV Rating	8
Construction	Pleated 1-inch style filter
Origin	Made in USA (EPA Establishment Number 103501-FL-1)

Our Verdict

For most households with standard HVAC needs, this 3-pack MERV 8 pleated filter is a practical and cost-effective choice that improves air quality without special installation. It is good value for routine maintenance, though buyers should note the actual 0.75 in thickness and confirm fit before ordering.

Frequently Asked Questions

How often should these filters be changed?
Change intervals are recommended between 30 and 90 days for typical 1 in filters; many users find up to 90 days reasonable if the environment is not heavily dusty.

Will this filter fit my furnace slot?
Measure your filter slot and compare to the actual size of 11.25 x 23.25 x 0.75 in to ensure compatibility, as the nominal size is listed as 11.25 x 23.25 x 1 in.

Does the MERV 8 rating affect airflow?
MERV 8 filters capture common particles while maintaining normal household HVAC airflow, making them a balanced option for most homes.