X6672 16x25x5 MERV 16 Furnace Filter - Carbon Clean Performance

In this review of the X6672 16x25x5 MERV 16 furnace filter, the bottom line is simple: this replacement is for anyone who needs very high efficiency particle and odor removal in a household or light commercial HVAC system. The reviewer found the filter's MERV 16 filtration and carbon-coated media to be the single biggest reason to buy, since it captures extremely small particles and helps reduce odors. Installation is straightforward and the package contains one filter sized to fit Lennox X6672 and similar models.

Key Features

• Compatibility: Fits Lennox X6672 and HCC16-28 and also lists compatible Honeywell, Carrier, and Trion Air Bear models, making it easy to replace many OEM filters.
• MERV 16 efficiency: The high-efficiency media removes up to 99.99% of airborne particles down to 0.1 microns, improving indoor air quality for allergy sufferers and households with pets.
• Carbon clean media: Coconut-activated and carbon coated fiber matrix helps reduce odors in addition to trapping particulates, which benefits kitchens and smoke-prone environments.
• Long service life: The filter is rated for up to 1 year of use with recommended replacement every 6-12 months depending on conditions, reducing the frequency of changes.
• Easy installation: No tools required and the actual dimensions are provided so users can confirm fit before installing the single included filter.

Who It's For

This filter is best for homeowners, small offices, or medical-adjacent spaces that need high efficiency particulate removal and some odor control without retrofitting the HVAC system. It is particularly useful where dust, pollen, smoke traces, or pet dander are concerns and a tighter filtration rating is required.

Those who should look elsewhere include users who need very frequent ultra-low resistance filters for high airflow systems, or commercial facilities that require industrial-grade disposable filters in unusual sizes. Also, buyers who prefer multi-packs for frequent replacement schedules might prefer other packaging options.

Pros & Cons

Pros

• Very high filtration efficiency for particles as small as 0.1 microns, helping with allergens and fine particulates.
• Carbon-coated coconut-activated media reduces odors while trapping contaminants.
• Easy to install and sized to match several OEM replacement part numbers for straightforward swaps.
• Long potential lifespan up to 1 year, which can lower replacement frequency in clean environments.

Cons

• Some customers report mixed impressions about density and durability, so performance can vary with local conditions.
• Sold as a single pack, which may not suit buyers who prefer bulk replacement packs for multi-filter households.

Specifications

Product Type	MERV 16 carbon clean furnace filter
Size	24.65 in x 15.75 in x 4.33 in (nominal 16x25x5)
Compatibility	Lennox X6672, HCC16-28; Honeywell, Carrier, Trion listed models
Filtration Efficiency	Filters up to 99.99% of particles down to 0.1 microns
Media	Coconut-activated and carbon coated fiber matrix
Package Contents	1 pack X6672 furnace replacement filter
Recommended Replacement	Every 6-12 months; lifespan up to 1 year

Our Verdict

The X6672 16x25x5 MERV 16 carbon clean filter is a solid choice for homeowners and small facilities that need near-medical-grade particulate removal plus odor control. It delivers excellent filtration for very small particles and swaps into many OEM housings, offering good value for buyers who prioritize air quality over the lowest initial price. Consider buying multiples if you prefer routine replacements.

Frequently Asked Questions

Will this filter fit my Lennox HCC16-28?
Yes, the filter is listed as compatible with Lennox HCC16-28 and replaces specified part numbers for an easy swap.

How often should I change this filter?
Replace every 6-12 months depending on usage and environment; the manufacturer notes a potential lifespan up to 1 year.

Does the carbon media actually reduce odors?
The coconut-activated carbon coating is intended to reduce common household odors while still providing high particulate filtration.