Nordic Pure 20x25x5 MERV 15 Plus Carbon Replacement Filter - 4 Pack

In this review of the Nordic Pure 20x25x5 MERV 15 Plus Carbon 4 pack, the bottom line is practical: this is a high-filtration, odor-reducing replacement for 20x25x5 nominal filters for homeowners and light commercial users who need cleaner air without buying specialty units. The reviewer found the filters deliver notably better particulate capture than standard fiberglass panels while the activated carbon layer helps reduce common household odors. Measure carefully before ordering, because the manufacturer lists an actual depth and footprint that differ from nominal sizes.

Key Features

• Actual size clarity: The filter lists an actual size of 19 7/8 x 24 7/8 x 4 3/8 in so buyers can confirm fit before installation, reducing returns and fit issues.
• MERV 15 filtration: Provides high-efficiency removal of fine particles, making it a solid choice for homes with allergy concerns or occupants who want improved indoor air quality.
• Carbon layer for odors: The pleated plus carbon construction includes activated charcoal to help capture odorous gases and VOCs, improving ambient smells.
• Replacement compatibility: Intended to replace Honeywell 20x25x4 and other similar filters with an actual depth near 4 3/8 in, so it works in many systems that accept thicker pleated filters.
• Made in the USA: Assembled domestically, which some buyers prefer for perceived quality control and sourcing transparency.

Who It's For

This filter is best for homeowners and light commercial users who need stronger particulate removal than typical 1-in or 2-in filters provide and who also want some odor control from an activated carbon layer. It suits systems that accept deeper pleated filters and users who measure their existing filter to match the listed actual size.

Those with strict space constraints or return-air housings built only for exact nominal dimensions should check measurements carefully; some buyers reported the length can be slightly long for tight 20x25x5 frames. If you need a thinner, exact 4 in panel, look for filters explicitly labeled with that exact actual depth.

Pros & Cons

Pros

• High MERV 15 rating captures fine dust, pet dander, and other particulates effectively.
• Integrated carbon panel helps reduce common household odors and some VOCs.
• Sturdy build and pleated synthetic media make the filters easy to install and durable throughout service life.
• Made in the USA, which appeals to buyers focused on domestic manufacturing.

Cons

• Actual size differs from nominal size and can be slightly long for some 20x25x5 frames, so careful measurement is required.

Specifications

Brand	Nordic Pure
Nominal size	20 x 25 x 5 in
Actual size	19 7/8 x 24 7/8 x 4 3/8 in
Filtration rating	MERV 15 (equivalent to MPR 2800)
Construction	Pleated synthetic media with flat panel activated carbon
Pack quantity	4 pack
Country	Made in the USA

Our Verdict

The Nordic Pure 20x25x5 MERV 15 Plus Carbon 4 pack is a strong value for users who need superior particulate filtration plus some odor control and who can accommodate the listed actual dimensions. It combines solid build quality and effective filtration at a lower cost than some specialty alternatives; just measure your filter slot first to avoid fit problems.

Frequently Asked Questions

Will this filter fit my 20x25x5 frame?
Check the actual size of the filter housing; the Nordic Pure actual size is 19 7/8 x 24 7/8 x 4 3/8 in, which can be slightly different from nominal dimensions.

Does the carbon layer remove odors?
The flat panel activated charcoal helps reduce common household odors and some VOCs, though performance varies with exposure and airflow.

Is this filter equivalent to MPR 2800?
Yes, Nordic Pure MERV 15 Plus Carbon is equivalent to an MPR 2800 rating according to the product details.