Nordic Pure 20x25x5 Replacement MERV 10 Air Filters 2 Pack - Reliable

Our review of the Nordic Pure 20x25x5 (actual 19 7/8 x 24 7/8 x 4 3/8) MERV 10 replacement air filters finds them best suited for homeowners and maintenance pros who want a solid balance of particle capture and value. The single biggest reason to consider these filters is their consistent construction and clear actual-size labeling, which helps avoid fit issues common with nominal-size listings. Built with a heavy-duty beverage board frame and a bonded mesh for pleat support, these filters are a straightforward, dependable option for normal air filtration needs.

Key Features

• Actual Size Accuracy: The packaging lists the actual size 19 7/8 x 24 7/8 x 4 3/8 so buyers can measure their housing and avoid buying the wrong fit.
• MERV 10 Filtration: Provides effective capture of common airborne particles while maintaining good airflow for typical HVAC systems.
• Honeywell/Lennox Replacement: Designed to replace Honeywell 20x25x4 filters and units with an actual depth of 4 3/8, making swaps straightforward for many installations.
• Durable Frame: The moisture-resistant beverage board frame resists warping and helps the filter keep its shape over the service interval.
• Support Grid: A metal mesh grid bonded to the pleats adds structural support to the media, reducing sagging and improving longevity under airflow.
• Made in the USA: Domestic manufacturing gives clear origin information for buyers who prefer locally made components.

Who It's For

These filters are geared toward homeowners, renters, and maintenance teams who need a reliable, mid-efficiency filter for routine HVAC use, and who can measure the existing filter or housing to confirm the actual size before purchase. The MERV 10 rating is ideal for removing dust, pet hair, and similar particulates without overly restricting airflow.

People who require medical-grade filtration, very high particle capture, or a filter with a precisely 5 in depth should look elsewhere; the Nordic Pure product is a traditional 5-filter design with an actual depth of 4 3/8 in, and a few customers have reported size mismatches when they relied on the nominal dimensions alone.

Pros & Cons

Pros

• Well-built frame and bonded metal mesh deliver solid build quality and reduced sagging under airflow.
• Effective MERV 10 media balances particle capture with acceptable airflow for most homes.
• Clear actual size labeling and compatibility notes make it easier to find the correct replacement for Honeywell/Lennox style filters.
• Good value compared with higher-priced alternatives while still removing common household dust and pet dander.

Cons

• Actual depth of 4 3/8 in can create fit issues if buyers assume the nominal 20x25x5 size without measuring first.
• Not suitable for applications requiring higher MERV ratings or specialized medical filtration.

Specifications

Brand	Nordic Pure
Nominal Size	20 x 25 x 5 in (nominal)
Actual Size	19 7/8 x 24 7/8 x 4 3/8 in
MERV Rating	MERV 10 (equivalent to MPR 1000)
Replacement For	Honeywell 20x25x4 and similar filters with 4 3/8 in actual depth
Frame	Heavy-duty moisture resistant beverage board with metal mesh support
Made In	USA

Our Verdict

The Nordic Pure 20x25x5 MERV 10 two-pack is a practical choice for most homes and standard HVAC systems because it combines sturdy construction, clear actual-size information, and effective mid-level filtration at good value. Measure your existing filter or housing first to ensure the 19 7/8 x 24 7/8 x 4 3/8 in actual dimensions will fit; if they do, this is a dependable replacement that balances dust capture and airflow without the premium cost.

Frequently Asked Questions

Will these filters fit a nominal 20 x 25 x 5 slot?
They may, but you should measure your current filter or housing because the actual size is 19 7/8 x 24 7/8 x 4 3/8 in and some 20 x 25 x 5 slots expect a true 5 in depth.

What does MERV 10 mean for home use?
MERV 10 provides effective removal of dust, pollen, and pet dander for typical residential systems while maintaining reasonable airflow.

Are these filters made in the USA?
Yes, the product is manufactured in the USA with a moisture resistant frame and bonded metal mesh for extra support.