GLACIER FRESH Replacement 4204490 Water & 7007067 Air Filter Combo

In this review of the GLACIER FRESH replacement combo pack, the bottom line is practical: it is for homeowners who need a low-cost, compatible replacement for Sub-Zero style water and air cartridges and want an easy, tool-free swap. The reviewer found the combo delivers reliable fit and straightforward installation, with the standout reason to buy being its compatibility and simple twist-lock design that mirrors the original filters. For anyone who values clean-tasting water and fresher refrigerator air without paying premium brand prices, this combo is a sensible option.

Key Features

• Replacement compatibility: Works as a drop-in replacement for Sub-Zero water filters 4204490 and 4290510, making it an easy fit for many built-in models.
• Air purification cartridge: Includes a replacement for the 7007067 air cartridge so refrigerator odors can be reduced when changed on schedule.
• Advanced carbon block: Uses extra grade coconut shell carbon block with 0.5mm micro hole size intended to improve taste and odor reduction compared with basic filter media.
• Twist-lock design: The water filter uses the same twist-lock attachment as original units, enabling quick, tool-free replacements and a leak-proof fit.
• Maintenance reminder: The manufacturer recommends replacing the air cartridge every six months to keep odors minimized and performance consistent.

Who It's For

This combo pack is aimed at owners of Sub-Zero style refrigerators (model families including PRO 48, BI-36, BI-48, BI-30, BI-42 series) who need a compatible and economical replacement for both water and air filtration. It suits households that prefer the convenience of a twist-lock, tool-free change and want to maintain fresh-tasting water and reduced refrigerator odors without buying OEM-branded cartridges.

Those who should look elsewhere include buyers who require NSF-certified performance documentation for specific contaminant reductions, or anyone who needs filters rated well beyond the standard capacity range (some customers note a 300 gallon rating on similar replacements). If certified test results are essential, confirm certification before purchase.

Pros & Cons

Pros

• Compatible fit and easy installation thanks to the twist-lock design, so replacement is quick and tool-free.
• Included air cartridge helps reduce odors when swapped every six months for fresher refrigerator air.
• Customers report good value and functionality, with many saying it performs like the original brand filter.

Cons

• Manufacturer claims have not been NSF certified under the listed model, so buyers seeking verified lab certification should verify independently.
• Capacity reports are mixed; some note a 300 gallon expectation which may be lower than other high-capacity filters.

Specifications

Brand	GLACIER FRESH
Includes	1 water filter + 1 air purification cartridge
Compatible models	Sub-Zero 4204490, 4290510 and related PRO/Built-In series
Filter media	Extra grade coconut shell carbon block
Micro hole size	0.5mm
Replacement interval	Air cartridge recommended every six months
Installation	Twist-lock, leak-proof fit

Our Verdict

The GLACIER FRESH combo pack is a practical, cost-conscious replacement for owners of compatible Sub-Zero refrigerators who want the convenience of quick, tool-free installation and improved taste and odor control. It is good value for households that accept non-NSF-verified aftermarket options and moderate capacity ratings, delivering dependable fit and functionality at a lower price than OEM alternatives.

Frequently Asked Questions

Is this compatible with my Sub-Zero refrigerator?
It is designed to replace Sub-Zero filters 4204490 and 4290510 and fits many PRO and BI series models listed in the product details.

How often should the air cartridge be replaced?
The manufacturer recommends changing the air purification cartridge every six months to minimize odors and maintain freshness.

Is the filter NSF certified?
The product notes that the stated claims have not been tested and certified by NSF; buyers should consult NSF records or request certification details if needed.