Nordic Pure 20x20x5 Furnace Filter MERV 15 Plus Carbon - Odor Control

In this review the Nordic Pure 20x20x5 (actual 19 5/8 x 19 7/8 x 4 3/8) replacement furnace filter is evaluated for homeowners and light commercial users who need high-efficiency particulate removal plus basic odor control. The bottom line: this filter is for anyone who wants a robust MERV 15 level of filtration and added carbon to reduce everyday household odors, provided they measure their filter slot against the actual dimensions before buying. It performs as a quality OEM-style replacement and is notable for value and build quality.

Key Features

• Actual size clarity: The real dimensions 19 5/8 x 19 7/8 x 4 3/8 in let you confirm fit before installing, avoiding the common mismatch between nominal and actual sizes.
• MERV 15 filtration: Captures a high percentage of fine airborne particulates, making it suitable for improving indoor air quality in homes and small commercial spaces.
• Carbon layer for odors: A flat panel infused with activated charcoal helps reduce common smells like cooking or burned popcorn rather than just trapping dust.
• Equivalent ratings: Nordic Pure MERV 15+ is listed as equivalent to MPR 2800, which gives a familiar performance reference for replacement shoppers.
• Compatible replacements: Sized to replace Honeywell 20x20x4 style filters and similar units with an actual depth of 4 3/8 in, simplifying swaps for common furnace systems.
• Made in the USA: Manufactured domestically, which some buyers prefer for quality control and supply reasons.

Who It's For

This filter is best for homeowners, renters, and light commercial users who require high-efficiency filtration and want a compact carbon layer to address routine odors. It suits people managing allergies or those seeking better overall air quality without changing to whole-house purification systems.

It is not ideal for buyers who do not want to confirm actual dimensions before purchase, or for systems that specifically require a true 5 in nominal thickness without the typical nominal-to-actual variance. Measure the filter slot and compare to the listed actual size to ensure a proper fit.

Pros & Cons

Pros

• High-efficiency MERV 15 media effectively reduces fine particles and improves indoor air quality.
• Integrated activated charcoal panel helps neutralize everyday odors in living spaces.
• Well-built, easy to install, and positioned as an economical OEM-style replacement.
• Made in the USA and equivalent to MPR 2800 for buyer confidence and clarity.

Cons

• Actual dimensions are smaller than the nominal 20 x 20 x 5 label, so customers must measure to ensure fit.

Specifications

Brand	Nordic Pure
Nominal size	20 x 20 x 5 in H
Actual size	19 5/8 x 19 7/8 x 4 3/8 in (19.63 x 19.88 x 4.38)
Filtration rating	MERV 15 Plus Carbon (equivalent MPR 2800)
Replaces	Honeywell 20x20x4 and similar 4 3/8 in actual depth filters
Quantity	4 pack
Origin	Made in the USA

Our Verdict

The Nordic Pure 20x20x5 MERV 15 Plus Carbon filter is a strong choice for buyers who want high-efficiency particle removal plus odor reduction at an affordable price. It offers good build quality, easy installation, and is a sensible OEM-style replacement, provided you confirm the actual 19 5/8 x 19 7/8 x 4 3/8 in measurements before purchase.

Frequently Asked Questions

Will this filter fit my 20 x 20 x 5 slot?
Measure your filter slot and compare to the actual size 19 5/8 x 19 7/8 x 4 3/8 in; nominal 20 x 20 x 5 labels often differ from real dimensions.

Does the carbon layer remove odors?
Yes, the flat panel infused with activated charcoal reduces common household odors such as cooking and burned smells, though it is not a replacement for specialized odor control systems.

Is this a replacement for Honeywell filters?
Yes, it is intended to replace Honeywell 20x20x4 style filters and other filters with an actual depth around 4 3/8 in.