Merv 5 1" Furnace Filter

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Koch 1" Merv 5 Air Filter (12 Pack)

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Price will vary based on size selected

Availability: Usually Ships in 3 to 5 Days
Product Code: KFC-M5-01-12PACK

Description

Performance and Comparison Information

Guarantee

Koch Disposable panel filters Carry a MERV 5 rating and are constructed with high grade progressively dense glass fibers. The air entry side is composed of open coarse fibers, while the air exit side is made up of tighter fibers. Each fiber is coated with a nonmigrating adhesive to enhance filter performance. The Koch Disposable utilizes a one-piece moisture resistant craft board frame for strength and ease of installation. The interlocking miter corner of the Koch C&I filter provides extra strength and durability. No extra metal support is needed making the filter more environmentally friendly.

Dimensions

Nominal sizes are generally what is used in the HVAC industry when refering to filter size. Nominal dimensions are what will typically be printed on the side of the filter you are replacing. Actual size will generally be up to 1/2" less then the printed dimensions. If you are unsure or need help selecting your filter size please feel free to call our customer service line (877) 973-3030.

Nominal Size	Actual Size

10 x 10 x 1	9.5" x 9.5" x .75"
10 x 16 x 1	9.75" x 15.5" x .75"
10 x 20 x 1	9.5" x 19.5" x .75"
10 x 24 x 1	9.75" x 23.5" x .75"
10 x 25 x 1	9.75" x 24.5" x .75"
10 x 30 x 1	9.75" x 29.5" x .75"
12 x 12 x 1	11.5" X 11.5" X .75"
12 x 15 x 1	11.5" X 14.5" X .75"
12 x 16 x 1	11.5" X 15.5" X .75"
12 x 18 x 1	11.75" X 17.5" X .75"
12 x 20 x 1	11.75" X 19.75" X .75"
12 x 22 x 1	11.5" X 21.5" X .75"
12 x 24 x 1	11.75" X 23.75" X .75"
12 x 25 x 1	11.5" x 24.5" x .75"
12 x 30 x 1	11.75" x 29.5" x .75"
12 x 36 x 1	11.75" x 35.75" x .75"
14 x 14 x 1	13.5" X 13.5" X .75"
14 x 18 x 1	13.5" X 17.5" X .75"
14 x 20 x 1	13.5" X 19.5" X .75"
14 x 24 x 1	13.5" X 23.5" X .75"
14 x 25 x 1	13.5" X 24.5" X .75"
14 x 30 x 1	13.5" x 29.5" x .75"
15 x 20 x 1	14.5" X 19.5" X .75"
15 x 25 x 1	14.5" X 24.5" X .75"
15 x 30 x 1	14.5" x 29.5" x .75"
16 x 16 x 1	15.5" X 15.5" X .75"
16 x 18 x 1	15.5" X 17.5" X .75"
16 x 20 x 1	15.5" X 19.5" X .75"
16 x 24 x 1	15.5" X 23.5" X .75"
16 x 25 x 1	15.5" X 24.5" X .75"
16 x 30 x 1	15.5" X 29.5" X .75"
16 x 32 x 1	15.75" X 31.75" X .75"
18 x 18 x 1	17.5" X 17.5" X .75"
18 x 20 x 1	17.5" X 19.5" X .75"
18 x 22 x 1	17.5" X 21.5" X .75"
18 x 24 x 1	17.5" X 23.5" X .75"
18 x 25 x 1	17.5" X 24.5" X .75"
18 x 30 x 1	17.5" X 29.5" X .75"
20 x 20 x 1	19.5" X 19.5" X .75"
20 x 22 x 1	19.5" X 21.5" X .75"
20 x 24 x 1	19.5" X 23.5" X .75"
20 x 25 x 1	19.5" X 24.5" X .75"
20 x 30 x 1	19.5" X 29.5" X .75"
22 x 22 x 1	21.75" x 21.75" x .75"
24 x 24 x 1	23.75" X 23.75" X .75"
24 x 30 x 1	23.5" X 29.5" X .75"
25 x 25 x 1	24.5" X 24.5" X .75"

Average Customer Review: Average Customer Review: 5 of 5

5 of 5 Total Reviews: 4 Write a review.

0 of 0 people found the following review helpful:

Fits perfectly	November 21, 2025
Reviewer: Sam L. from Lockport, Il.

It appears to be as expected. I like ordering in bulk so I always have a filter when needed.

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4 of 4 people found the following review helpful:

Just what I was looking for	September 29, 2025
Reviewer: Hailey S.

Fits and wont block the air flow. what more can I say?

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1 of 1 people found the following review helpful:

Buy this one.	July 19, 2022
Reviewer: Daniel Sharon from Herriman, Utah

My HVAC guy said I shouldn't use any other filter. I have an older system
and this filter will keep it from straining to hard to push air through.

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1 of 1 people found the following review helpful:

Perfect Fit!	May 25, 2022
Reviewer: Joe Rossi from Alsip, Illinois

This is the only filter I will use in my furnace.

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Filter Type > Panel Filters
Efficiency > Merv 5