Lennox Healthy Climate X6675 MERV 16 Filter Bundle - Carbon Clean

In this review the Lennox Healthy Climate X6675 bundle is evaluated for homeowners who need high-efficiency whole-home filtration with some odor control. The bottom line: this 5-pack of MERV 16 carbon-coated filters is aimed at people wanting hospital-grade particle capture combined with coconut-activated carbon to reduce household smells, and the included Same Day Supply reminder magnets make maintenance simpler. For those with severe allergies, pets, or strong indoor odors, the combination of MERV 16 performance and carbon media is the single biggest reason to consider this filter.

Key Features

• MERV 16 rating: Captures over 95% of particles down to 0.3 micron and more than 90% of particles 0.01 micron and larger, improving indoor air quality.
• Carbon-clean media: Coconut-activated, carbon-coated fiber matrix helps reduce household odors in addition to trapping particulates.
• Long service life: Each filter can last up to 1 year under typical conditions, reducing replacement frequency for many homes.
• Exact replacement size: Actual dimensions 20-3/4 x 24-3/4 x 4-3/8 in to fit compatible Lennox air cleaner models without trimming.
• Maintenance reminder: Bundle includes a Same Day Supply magnet for each filter so homeowners can note the last change date without opening the filter cabinet.
• Reusable packaging: Filters ship in clear plastic bags that can be reused to contain and dispose of the used filter safely.

Who It's For

This bundle suits homeowners with central HVAC systems who need very high particle capture and some odor removal, for example families with allergy sufferers, pet owners, or those concerned about smoke or cooking smells. It is particularly relevant to owners of Lennox air cleaner model HCC20-28 or those replacing older Lennox X6673 or 19L17 filters who want an upgrade.

It is not intended for every basic HVAC filter user: those with simple dust control needs or very tight budgets may prefer lower-MERV, less expensive options; likewise, installations incompatible with the listed dimensions or the intended Lennox models will need a different part.

Pros & Cons

Pros

• Excellent filtration efficacy for fine particulates, improving indoor air quality for sensitive occupants.
• Carbon-coated media reduces household odors that standard mechanical filters might not address.
• Long service life advertised up to one year, meaning fewer replacements for many users.
• Includes practical Same Day Supply magnets that simplify tracking filter changes.

Cons

• Durability reports vary; some users may find life cycles shorter depending on home conditions, so actual replacement frequency can differ.
• Higher filtration density can restrict airflow in older systems not designed for high-MERV filters; verify compatibility first.

Specifications

Brand	Lennox
Model / Part	HCF20-16 (X6675 bundle)
Filter rating	MERV 16
Actual size	20-3/4 x 24-3/4 x 4-3/8 in
Bundle contents	Five filters + Same Day Supply reminder magnets (1 per filter)
Media	Coconut-activated carbon-coated fiber
Estimated life	Up to 1 year (depends on home conditions)

Our Verdict

The Lennox X6675 Carbon-Clean 5-pack is a solid choice for homeowners who need high-efficiency particle removal and odor reduction without frequent replacements. With MERV 16 performance, carbon media, and handy reminder magnets, it offers good value for allergy sufferers and pet owners who have compatible Lennox systems, though buyers should confirm system compatibility and expect lifespan to vary by home.

Frequently Asked Questions

Will these filters reduce household odors?
Yes. The coconut-activated, carbon-coated fiber matrix is designed to absorb and reduce common household odors alongside particulate filtration.

How long will each filter last?
Each filter is rated to last up to 1 year, but actual replacement time depends on factors like indoor air quality, pets, smoking, and HVAC runtime.

What systems do these replace?
They are replacement media for Lennox air cleaner model HCC20-28 and upgrade from earlier Lennox models X6673 and 19L17; they also replace Honeywell FC100A1037 and FC200E1037 equivalents.