Nordic Pure 16x25x4 Furnace Air Filters MERV 10 Pleated + Carbon - 2

In this review the Nordic Pure 16x25x4 pleated air filters are evaluated for homeowners and renters who need a mid-grade replacement filter with odor control. The bottom line is that these filters deliver solid filtration with an added carbon layer for cleaner smelling air, making them a practical choice for routine HVAC maintenance. The reviewer finds the MERV 10 filtration effective for common household dust and the carbon layer reduces odors, but emphasizes measuring the existing filter because the nominal size differs from the actual size.

Key Features

• Actual dimensions: The filter measures 15 1/2 x 24 1/2 x 3 5/8 so buyers who measure their filter can confirm a proper fit before purchase.
• MERV 10 performance: Equivalent to MPR 1000, the MERV 10 media captures everyday particulates while maintaining reasonable airflow for most residential HVAC systems.
• Carbon layer fused: The pleated filter material is fused to a carbon layer, which helps reduce household odors for cleaner smelling air.
• Improved surface area: The dual material construction yields about 33% more surface area compared with a single-layer pleat, helping extend service life between changes.
• Made in the USA: Domestic manufacture provides traceable production and consistent construction quality.
• Nominal vs actual note: The product explicitly reminds buyers to compare the actual size to their old filter because nominal sizes often differ.

Who It's For

This filter is best suited to homeowners and renters who want a balance of particulate capture and odor control without the airflow restriction of higher MERV ratings; it is particularly sensible for living rooms, kitchens, and general household use. The two-pack is convenient for users who maintain routine filter replacement schedules and prefer a carbon option for light odor reduction.

Those who should look elsewhere include people who require HEPA-level filtration for severe allergies or environments demanding higher than MERV 10 protection, and anyone who cannot accommodate the actual depth of 3 5/8 in - measure your slot carefully as some units require a 4 3/8 depth replacement instead.

Pros & Cons

Pros

• Good mid-level filtration with MERV 10 efficiency that balances capture and airflow.
• Carbon layer reduces everyday household odors for improved indoor air quality.
• Made in the USA and constructed with fused dual materials for added durability.

Cons

• Actual depth is 3 5/8 in which may be smaller than some nominal 4 in filters, so measuring is essential to avoid gaps.

Specifications

Brand	Nordic Pure
Nominal Size	16 x 25 x 4
Actual Size	15 1/2 x 24 1/2 x 3 5/8 (15.5 x 24.5 x 3.63)
MERV Rating	MERV 10 (equivalent to MPR 1000)
Material	Pleated media fused with carbon layer
Pack	2 pack
Origin	Made in the USA

Our Verdict

The Nordic Pure 16x25x4 MERV 10 pleated plus carbon filters are a practical, value-minded choice for general household filtration and odor reduction; measure your existing filter carefully because the actual size is smaller than the nominal dimension. For most homes that need routine filtration without heavy allergy concerns, this two-pack offers reliable performance and good value.

Frequently Asked Questions

Will this fit my 16x25x4 slot?
Measure your current filter and compare to the actual size 15 1/2 x 24 1/2 x 3 5/8 to ensure proper fit.

Is the carbon layer permanent?
The carbon layer is fused to the pleated media to provide continuous odor reduction during the filter service life.

Is this as effective as high MERV filters?
It offers good mid-level capture (MERV 10) and is not a replacement for higher MERV or HEPA filters for severe allergy needs.