Want tap water? - Filthy Frank is a free Chrome add-on developed by crippy. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory.

This add-on offers users the opportunity to access tap water, with Papa Franku himself offering his "holy nectar." While the specifics of what this entails are not provided, it can be assumed that the add-on adds some sort of water-related functionality to the Chrome browser.

Overall, Want tap water? - Filthy Frank is an interesting and unique add-on for Chrome users who are looking for a quirky and unconventional browsing experience. However, without more information on the specific features and functionality, it is difficult to provide a more detailed review.