nfsUnderwater4 is a new screensaver of sea nature from a collection of new free screensavers from http://www.newfreescreensavers.com. The screensaver features adventurous and diverse aquatic life. The screensaver shows you the sea life including sea and ocean inhabitants. It is a bright and relaxing screensaver. Free screensavers. No spyware, no adware, virus-free. It is safe to install and run.