EASY CLEAN: This brush set allows you to easily access and thoroughly clean hard-to-reach areas of your radiator including tight corners. SPECIAL DESIGN: The specially designed bristles effectively help to remove built-up dust and debris from radiators. OPTIMISE PERFORMANCE: Helps optimise the performance and heat dissipation from radiators into the surrounding environment. FLEXIBLE SET: This set comprises two brushes measuring 65cm in length with a diameter of 2cm and 4cm for greater flexibility. GUARANTEED: You can have complete confidence in the durability of this product as it comes with a 3-year warranty when backed by proof of purchase.