CarPro kit pittura sigillante kit New & Improved! CarPro Cquartz UK Edition 3.0 is now easy to use in a wide range of temperatures and climates - even hot and humid climates! The high purity ensures that your vehicle has the most transparent glass coat film possible over the surface. Whats more, the anti-calcium effect provided by Cquartz UK Edition prevents mineral deposits from bonding to the vehicles surface so water spots can be wiped off without any effort. A special edition Cquartz formulated for cold temperature environments!