Sub-Zero 4204490 refrigerator water filter

Are Off-Brand Refrigerator Water Filters Okay? OEM vs. Compatible, Priced Per Filter

What the manufacturer cartridge costs against a certified compatible, family by family, and the two cases where the genuine part is the only sensible buy.

How Often to Replace Your Refrigerator Water Filter (and What Happens If You Don’t)

Six months or the rated gallons, in the manufacturers’ own words — plus what a year of filters costs per family at today’s per-filter prices.

How to Reset the Water Filter Light on Your Refrigerator: Samsung, LG, GE, Whirlpool, Frigidaire

The button, the hold time and the color to expect, brand by brand, quoted from the manufacturers’ own support pages and manuals.

How to Flush a New Refrigerator Water Filter: Gallons and Minutes by Brand

Samsung says 1 gallon, LG says 2.5, GE says six full glasses, Frigidaire says at least 1 — the numbers from the manuals, and why the first water runs cloudy.

Why Is My Refrigerator Water Dispenser Dripping? Check the Water Filter First

A drip that started after a filter change is usually air in the line or a filter that is not seated — the checks, in the order the manufacturers give them.

Can Mold Grow in a Freezer? Mold in the Refrigerator and Freezer, Cleaned and Kept Out

USDA says mold can grow at refrigerator temperatures; at 0°F it stops but survives. The cleaning mix, the food rules and the parts that let mold back in.

Is Kenmore the Same as Whirlpool? The Kenmore Refrigerator Water Filter Cross-Reference

Kenmore is a retail brand, not a factory; the filter number on your cartridge tells you who built the fridge. Every Kenmore number cross-referenced from our catalog.