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The Thermador refrigerator filter 491849 | 643898 is used on Thermador refrigerators and is located in the grille below the freezer door. This filter is removed by twisting it to the left. According to the filter manufacturer, this filter reduces lime scale buildup, cysts, chlorine, dirt and rust in your water and ice, is NSF Certified and retains the beneficial fluoride in your water.

Thermador Refrigerator that use filters 491849 and 643898 are made by Whirlpool and use the Whirlpool 4396510 Filter
Per Filter Price	Description	Shipping	Genuine Whirlpool
$32.99	6-Pack (Best Value)	FREE Priority Mail	Click Here
$33.99	4-Pack	FREE	Click Here
$34.99	3-Pack	FREE	Click Here
$35.99	2-Pack	You Pay	Click Here
$35.99	1 Filter	You Pay	Click Here

The following model refrigerators use the 491849 | 643898 filter same as 4396510