Nordic Pure 16x20x4 Pleated MERV 13 Air Filter - Measured Fit

In this review the Nordic Pure 16x20x4 Pleated MERV 13 air filter is assessed for homeowners and renters who need a higher-efficiency replacement filter with predictable filtration performance. The bottom line: it is a well-made, MERV 13 pleated filter that captures fine particulates and is made in the USA, but buyers must measure the existing filter slot carefully since the nominal size differs from the actual size. For those who value particle removal and sturdy construction, this filter is a sensible one-pack option.

Key Features

• Actual dimensions: The filter ships with an actual size of 15 1/2 x 19 1/2 x 3 5/8 in so buyers can confirm fit before installation.
• High filtration: MERV 13 performance, equivalent to MPR 2200-2400, helps reduce fine airborne particles in living spaces.
• Pleated synthetic media: Electrostatic synthetic material increases particle capture while maintaining reasonable airflow.
• Manufacturing quality: Made in the USA and built with moisture-resistant components for steady performance in typical home HVAC systems.
• Compatibility note: The listing warns that some Honeywell or Lennox 16x20x4 replacements with a 4 3/8 in actual depth require the 16x20x5 Honeywell replacement instead, helping avoid misplaced orders.

Who It's For

This filter is aimed at homeowners or renters who want a single-pack, higher-efficiency pleated filter (MERV 13) made in the USA and are willing to measure their existing filter to ensure the actual dimensions match. It suits people who notice airborne dust or want better capture of fine particles compared with lower-MERV fiberglass filters.

It is less suitable for systems that require the slightly deeper 4 3/8 in actual depth used by some Honeywell or Lennox units; those users should choose the explicitly listed 16x20x5 Honeywell replacement. Also, buyers who cannot tolerate any small gaps should double-check slot width since customer reports mention mixed experiences on fit.

Pros & Cons

Pros

• Good build quality and sturdiness consistent with customer feedback about durability.
• Effective particle capture at MERV 13, matching MPR 2200-2400 performance claims.
• Made in the USA and constructed with moisture-resistant materials for reliability.

Cons

• Actual dimensions differ from the nominal size and have produced mixed fit results for some users; measuring is required.
• As a one-pack, frequent replacement cost can add up compared with multi-pack options.

Specifications

Our Verdict

The Nordic Pure 16x20x4 MERV 13 pleated filter is a solid choice for buyers who need improved particle filtration and who will confirm the actual 15 1/2 x 19 1/2 x 3 5/8 in dimensions before buying. Its MERV 13 performance and sturdy construction make it good value for those concerned with indoor air quality, but shoppers with nonstandard 4 3/8 in depth slots should choose the alternate Honeywell replacement instead.

Frequently Asked Questions

Will this fit my existing 16x20x4 slot?
Measure your existing filter and compare to the actual size of 15 1/2 x 19 1/2 x 3 5/8 in to confirm a proper fit.

Is MERV 13 the same as MPR 2200-2400?
Nordic Pure rates this MERV 13 filter as equivalent to MPR 2200-2400 for capturing fine particulates.

What if my unit uses a 4 3/8 in depth filter?
If your replacement requires a 4 3/8 in actual depth, the 16x20x5 Honeywell replacement sizing is recommended instead of this 16x20x4 unit.