Filter King 11.5x11.5x1 Air Filter 6-Pack - MERV 8 Performance

In this review the Filter King 11.5x11.5x1 Air Filter 6-pack is evaluated for homeowners and renters who need a reliable, easy-to-change 1 in replacement for A/C and furnace systems. The single biggest reason to buy is straightforward: these pleated MERV 8 filters balance particle capture and airflow while being fully manufactured in the USA, making them a practical choice for routine household maintenance. The pack of six and up-to-90-day recommended lifetime make it especially useful for typical seasonal filter rotation.

Key Features

• MERV 8 rating: Provides effective capture of airborne particles like dust and pollen without significantly reducing system airflow.
• Pleated design: The pleats increase surface area to trap more contaminants and extend the working life of each filter.
• Six-pack convenience: Includes multiple filters so users can replace filters across seasons or multiple units without repeated orders.
• Made in USA: Fully manufactured domestically with noted EPA establishment identification for traceability and consistent build quality.
• Actual size clarity: Labeled 11.5 in x 11.5 in x 1 in with an actual thickness of 0.75 in, helping shoppers confirm fit before purchase.
• Easy installation: Simple open, slide and close replacement makes filter swaps quick for most homeowners.

Who It's For

This product is best for homeowners or renters with HVAC systems that accept 1 in filters who want a mid-level particle capture rating without sacrificing airflow. It suits people who prefer to stock replacement filters so they can follow a 30- to 90-day change schedule and avoid last-minute trips to a store.

It may not be ideal for those requiring higher filtration for severe allergy or medical needs who should consider higher MERV ratings or dedicated air purifiers. Also check your system cabinet dimensions if you have experienced tight or nonstandard filter slots, since actual thickness is 0.75 in.

Pros & Cons

Pros

• Good balance of filtration and airflow thanks to the MERV 8 rating and pleated construction.
• Convenient six-pack offers value and reduces ordering frequency.
• Made in the USA with consistent materials and construction noted by customers as sturdy.
• Simple installation process that most homeowners can complete quickly.

Cons

• Some buyers report mixed fit or size expectations, so measure your slot and note the 0.75 in actual thickness before purchase.

Specifications

Brand	Filter King
Pack size	6-pack
Rated size	11.5 in x 11.5 in x 1 in
Actual size	11.5 in x 11.5 in x 0.75 in
MERV rating	MERV 8
Country of manufacture	Made in USA (EPA Establishment 103501-FL-1)
Recommended change interval	30 - 90 days

Our Verdict

The Filter King 11.5x11.5x1 6-pack is a practical, value-oriented choice for typical homes that need reliable particle removal without heavy airflow restriction. Its pleated MERV 8 media and domestic manufacture make it a sensible routine-replacement filter, especially when buyers confirm slot dimensions and accept the actual 0.75 in thickness.

Frequently Asked Questions

How often should these filters be changed?
Filter King recommends changing 1 in filters every 30 - 90 days; many users follow a seasonal or monthly schedule depending on dust and occupancy.

Will MERV 8 reduce my HVAC airflow significantly?
MERV 8 is designed to capture common particulates while maintaining airflow for most residential systems, making it a common middle-ground choice.

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