Nordic Pure 16x20x4 Pleated Air Filter MERV 14 Plus Carbon

In this review of the Nordic Pure 16x20x4 Pleated Air Filter MERV 14 Plus Carbon, the bottom line is simple: it is a solid choice for homeowners who need improved particle capture and odor reduction without buying larger replacement depths. The reviewer found the filter's electrostatically charged synthetic media and the added activated charcoal panel effective at reducing common household particulates and mild odors. Measure your existing filter carefully before ordering, because the filter's actual size differs from the nominal size and fit issues were the most common user concern.

Key Features

• Nominal and actual sizes: The filter lists a nominal 16 x 20 x 4 size but the actual dimensions are 15 1/2 x 19 1/2 x 3 5/8, so measuring your slot ensures a proper fit.
• MERV 14 performance: Nordic Pure's MERV 14 rating is equivalent to MPR 2800, which helps capture fine particulates that lower-rated filters miss.
• Plus carbon panel: A flat panel infused with activated charcoal provides mild odor adsorption in addition to particulate capture.
• Electrostatic synthetic media: The charged synthetic fibers improve particle attraction and help maintain consistent filtration without rapid clogging when used in appropriate systems.
• Made in the USA: The filter is manufactured domestically, which some buyers prefer for perceived quality control and supply reasons.

Who It's For

This filter is best for homeowners with HVAC systems that accept a 4 in nominal depth and who want higher-efficiency particulate removal plus some odor control. It is well suited to households concerned with pollen, pet dander, and fine dust, and for users who value a U.S.-made pleated filter and the higher capture efficiency of MERV 14 media.

It is not ideal for systems that actually require a deeper 4 3/8 in depth or for furnace slots that are notably wider than the actual 15 1/2 x 19 1/2 face size; customers with Honeywell or Lennox units that use a different actual depth should choose the 16x20x5 option instead. Anyone unsure about fit should measure before ordering.

Pros & Cons

Pros

• High capture efficiency with MERV 14-grade media for improved indoor air quality.
• Added activated charcoal panel helps reduce mild household odors alongside particulate filtration.
• Sturdy pleated construction and synthetic electrostatic fibers provide consistent performance and perceived value for money.

Cons

• Actual size is narrower than the nominal size for some furnace slots, so some users report fit issues or gaps if they do not measure precisely.

Specifications

Brand	Nordic Pure
Nominal Size	16 x 20 x 4 in
Actual Size	15 1/2 x 19 1/2 x 3 5/8 in
Filtration Rating	MERV 14 (equivalent to MPR 2800)
Media	Electrostatically charged synthetic with activated charcoal panel
Made	USA

Our Verdict

Overall, the Nordic Pure 16x20x4 MERV 14 Plus Carbon is a good-value filter for those who measure first and need stronger particulate capture plus some odor control. It delivers higher-efficiency filtration in a single-pack replacement filter and is best for systems compatible with the actual face and depth dimensions; buy it for the filtration performance but confirm fit to avoid unfiltered gaps.

Frequently Asked Questions

Will this fit my 16 x 20 x 4 slot?
Check the actual filter you are replacing and measure the slot; Nordic Pure lists the actual size as 15 1/2 x 19 1/2 x 3 5/8 in and nominal sizes often differ.

Does the carbon layer remove strong odors?
The activated charcoal panel helps with mild household odors but is not a substitute for specialized odor control products for strong chemical smells.

Is this the same depth as some Honeywell or Lennox 4 in filters?
Some Honeywell or Lennox units use a 4 3/8 in actual depth; if your filter measures 4 3/8 in actual depth you should choose the 16x20x5 replacement that matches that measurement.