Fits the following RX7-Corsiar RX7-RR4 Quantum-E & F Astro-J & R Viper Viper-GT Condor Axcess SV This product can be used all the year round during hot and humid summer conditions and wet, cold periods. Riding with a completely closed visor in these conditions is possible without fogging-up using this product. A truly unique system that ensures you will have a clear view whatever the weather condition. It is easy to fit on almost all types of original Arai helmet visors. It makes motorcycle riding safer and gives greater pleasure in all sorts of weather.