Filter King 22x36x1 Air Filter 4-Pack - MERV 13 Performance

In this review of the Filter King 22x36x1 Air Filter 4-Pack the bottom line is simple: this pleated MERV 13 replacement is aimed at homeowners who want stronger particle capture without sacrificing airflow. The pack contains four 1 in pleated filters whose actual size is 21.5 in x 35.5 in x 0.75 in, and they are fully manufactured in the United States. For anyone maintaining a home A/C or furnace and looking for proven filtration performance over a 30 to 90 day interval, this is a practical, value-oriented option to consider.

Key Features

• MERV 13 rating: Captures fine airborne particles for improved indoor air quality compared with lower MERV filters.
• 4-pack convenience: Four filters in one purchase make scheduled replacement every 30 to 90 days simple and cost-effective.
• Pleated construction: The pleated design increases surface area to trap more particles and extend useful life.
• Made in USA: Fully manufactured in the United States under EPA establishment 103501-FL-1, which may reassure buyers who prefer domestic production.
• Fast installation: Open, slide and close design lets most users replace filters quickly with no tools required.

Who It's For

This Filter King 22x36x1 4-pack is best for homeowners and renters with compatible HVAC return slots who want better particulate capture from a 1 in filter. It's suited to those who follow a regular maintenance schedule and prefer buying replacement filters in multi-packs for convenience and cost savings.

Shoppers who need exact factory-sized filters should measure their cabinet first, since the actual filter dimensions are 21.5 in x 35.5 in x 0.75 in. Those who require thicker filters, specialized medical-grade filtration, or who experienced inconsistent build quality in other 1 in pleated options may want to consider alternative sizes or constructions.

Pros & Cons

Pros

• High MERV 13 rating provides stronger particle capture than basic filters.
• Four filters in a pack offer good value for routine 30-90 day replacement schedules.
• Pleated design increases lifespan and dirt-holding capacity without obvious airflow restriction.
• Made in the USA, giving transparency about manufacturing origin.

Cons

• Actual dimensions are slightly smaller than nominal 22x36x1, so careful measurement is required.
• Customer reports show mixed impressions of build quality, so durability perceptions vary.

Specifications

Brand	Filter King
Rated Size	22 in x 36 in x 1 in
Actual Size	21.5 in x 35.5 in x 0.75 in
MERV Rating	MERV 13
Pack Quantity	4 filters
Made In	United States (EPA Establishment 103501-FL-1)
Recommended Replacement	Every 30 to 90 days for 1 in filters

Our Verdict

The Filter King 22x36x1 MERV 13 4-pack is a solid value for homeowners who need improved particle capture and prefer to buy replacements in bulk. It delivers better filtration than basic 1 in filters and the pleated design helps longevity, but buyers must confirm the actual 21.5 in x 35.5 in x 0.75 in fit and be aware that build quality impressions vary among users.

Frequently Asked Questions

Will these filters fit a slot labeled 22 x 36 x 1?
They are sold as 22 x 36 x 1 nominal size, but the actual filter measures 21.5 in x 35.5 in x 0.75 in, so measure the slot to ensure a proper snug fit.

How often should these MERV 13 filters be changed?
Filter King recommends changing 1 in filters every 30 to 90 days depending on household conditions and usage; many users find a 60-90 day interval acceptable if airflow remains good.

Are these filters made in the United States?
Yes, these filters are fully manufactured in the United States under EPA establishment number 103501-FL-1.