"What I consider the most appealing of their unique design particulars is the all-metal pump housing. Every other manufacturer I've seen incorporates some form of plastic, which has a greater likelihood of cracking or warping, whether from overaggressive/improper installation, overtensioning or overheating."
Zahn Funk - OCIA.
SilverStone Tundra TD02 all in one liquid cooler review by OCIA - Introduction & Conclusion.