Product review (1 stars): This product does not appear to be NSF certified, ...
This product does not appear to be NSF certified, despite the mark in the picture. See below from NSF website, accessed 2/18/16:

[...]
Date: December 29, 2015

"Company: Tianjin Jinghai Yunda Industry & Trade Co., Ltd.
Heshan Road
Tianjin, 301600
China
[...]

Product(s): IcePure water filters and products

Issue: Unauthorized use of NSF mark and claims of NSF testing and/or certification and use of NSF certified components

Description: IcePure water filters are being marketed as tested and/or certified by NSF International on the Tianjin Jinghai Yunda Industry & Trade Co., Ltd. website. These filters have also been observed as being marketed by a distributor (Air 1 Supply) and on distributor websites (sears.com, ebay.com and amazon.com) with the NSF mark and/or various claims of NSF testing and certification and/or containing NSF certified components. IcePure water filter products have not been tested by NSF and are not certified by NSF International. Tianjin Jinghai Yunda Industry & Trade Co., Ltd. is not authorized to use the NSF mark or to make claims of NSF certification or any other service of or from NSF."