Nordic Pure 20x25x5 MERV 15 Replacement Air Filters 4 Pack - High

Our review of the Nordic Pure 20x25x5 MERV 15 replacement filters finds them best for homeowners and light commercial users who need high-efficiency particulate removal without replacing housings. The bottom line: these 4 pack filters deliver strong filtration equivalent to MPR 2800 in a package that is clearly labeled with an actual size of 19 7/8 x 24 7/8 x 4 3/8 in, which matters because many furnace filters differ from their nominal size. If you value superior filtration and a filter made in the USA, this is a practical choice.

Key Features

• Actual sizing listed: The filter lists its true dimensions so buyers can measure their current filter or housing to ensure a proper fit and avoid sizing surprises.
• MERV 15 performance: High-efficiency media captures very small particles for better indoor air quality compared with lower MERV options.
• Replaces Honeywell 20x25x4: Designed to substitute common 20x25x4 replacements when the actual depth is 4 3/8 in, making it compatible with many existing systems and some electronic cleaner conversions.
• MPR 2800 equivalent: The MERV 15 rating is described as equivalent to MPR 2800, helping shoppers compare performance to other rating systems.
• Pack of four: The 4 pack offers value for regular filter replacement intervals while keeping spares on hand for seasonal changes.
• Made in the USA: Domestic manufacturing can be important for buyers preferring locally made HVAC parts.

Who It's For

This filter set is aimed at homeowners, apartment residents, and light commercial users who need strong particle removal from the air, including dust, pet hair and finer particulates, and who are comfortable confirming the actual size before ordering. It is also useful for those converting or replacing electronic air cleaners who need a deep pleated filter close to a 4 in depth.

Those who should look elsewhere include buyers who cannot accommodate an actual depth of 4 3/8 in in their filter slot or who prefer thinner 1 in or 2 in filters; likewise users who need specialty odor control or gas-phase filtration should select a different product designed for that purpose.

Pros & Cons

Pros

• High MERV 15 filtration removes fine particles and improves indoor air quality.
• Clear actual dimensions reduce the chance of ordering the wrong size.
• Good build quality and easy installation reported by users, with solid value compared to higher-cost alternatives.

Cons

• Several customers report the filter can run long for some nominal 20x25x5 housings, so measuring is essential before purchase.

Specifications

Our Verdict

The Nordic Pure 20x25x5 MERV 15 4 pack is a solid choice for anyone who needs high-efficiency filtration and is careful to measure the actual size of their filter slot. It offers strong particle removal, reliable build quality, and good value in a domestically made product, but buyers must confirm the 4 3/8 in depth fits their system to avoid fit issues.

Frequently Asked Questions

Will this fit a nominal 20x25x5 housing?
Measure your current filter or housing; the actual filter size is 19 7/8 x 24 7/8 x 4 3/8 in, and fit depends on the cabinet tolerance.

What is the filtration rating equivalent?
The filters are MERV 15 and are described as equivalent to MPR 2800.

How many filters come in the pack?
This product is sold as a pack of four replacement pleated filters.