The Whirlpool 226698 is the correct replacement for the following:
The Whirlpool 226698 Inline Ice Maker Filter helps to reduce waterborne contaminants such as mercury, lead, particulates, unpleasant chlorine taste and odor. Also known as part number WHKF-IMTOL, this Whirlpool Ice Maker Filter provides clean, fresh filtered water and ice in any refrigerator with an automatic ice maker or water dispenser.
Whirlpool 226698 Inline Ice Maker Water Filter specifications:
For optimum performance, based on your water quality and usage, replace your Whirlpool 226698 Inline Filter every 6 months. This universal, inline charcoal-style ice and water filter is easy to install. This filter could be located under the sink or behind your refrigerator.