Nordic Pure 16x25x4 Pleated MERV 15 Air Filters 6 Pack - High

In this review the Nordic Pure 16x25x4 Pleated MERV 15 air filter 6 pack is examined for homeowners and small-business operators who need higher-efficiency filtration without replacing their HVAC system. The single biggest reason to buy is its MERV 15 performance, which captures very fine airborne particles and is equivalent to MPR 2800, making it a strong option for allergy sufferers or anyone wanting cleaner indoor air. Buyers should measure carefully because the listed nominal size differs from the actual filter dimensions.

Key Features

• Actual size guidance: The filters list a nominal size of 16 x 25 x 4 but provide an actual size of 15 1/2 x 24 1/2 x 3 5/8, so users can compare measurements to ensure correct fit.
• MERV 15 filtration: High-efficiency media attracts and captures very small particulates, offering superior dust and allergen reduction compared with lower-MERV filters.
• MPR equivalent: Nordic Pure MERV 15 is noted as equivalent to MPR 2800, which helps shoppers convert between rating systems.
• Construction: Pleated, electrostatically charged synthetic media improves particle capture while maintaining airflow for typical residential systems.
• Made in the USA: Domestic manufacturing may appeal to buyers seeking locally produced HVAC consumables.
• Pack size: Sold as a 6 pack, providing multiple change intervals and potential convenience for regular maintenance.

Who It's For

This pack is best for homeowners with furnaces or HVAC systems that accept a 4 in nominal filter whose actual size matches 15 1/2 x 24 1/2 x 3 5/8. It is particularly useful for people with allergies or respiratory concerns who need high-efficiency filtration and want several replacements on hand.

Shoppers who should look elsewhere include those whose systems require the slightly deeper 4 3/8 in actual depth used by some Honeywell or Lennox units; those users are advised to select the 16x25x5 option with a 4 3/8 actual depth. Also, anyone who cannot accommodate a small fit tolerance around the filter frame should measure carefully before purchase.

Pros & Cons

Pros

• High MERV 15 efficiency provides strong removal of fine particulates and allergens.
• Clear actual size listing helps avoid the common nominal-vs-actual mismatch when measured correctly.
• Made in the USA and sold in a 6 pack for convenience and value.

Cons

• Some customers report the filter measures slightly smaller or is thinner than expected, so precise measurement is required to avoid gaps.
• In systems needing a 4 3/8 in actual depth, this 3 5/8 in actual depth will not be an exact replacement.

Specifications

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)
Filter Rating	MERV 15 (equivalent to MPR 2800)
Pack Quantity	6 filters
Material	Electrostatically charged pleated synthetic media
Made In	USA

Our Verdict

The Nordic Pure 16x25x4 MERV 15 6 pack is a solid choice for anyone who can match the actual filter dimensions and needs high-efficiency particulate removal. It offers good value as a multi-pack and reliable construction, but buyers must measure their existing filter carefully to avoid fit and thickness issues noted by some customers.

Frequently Asked Questions

Will this fit my 16 x 25 x 4 slot?
Measure your existing filter frame and compare to the listed actual size of 15 1/2 x 24 1/2 x 3 5/8 to confirm fit.

Is MERV 15 equivalent to MPR 2800?
Yes, Nordic Pure notes that their MERV 15 rating is equivalent to MPR 2800 for comparison to other rating systems.

Can this replace a Honeywell 16x25x4?
If your Honeywell filter has an actual depth of 4 3/8, choose the Nordic Pure 16x25x5 option instead; this 16x25x4 measures 3 5/8 in actual depth and may be too thin.