The Raven Mr Slick Sponge Refill is a high-quality foam sponge designed for use with all models of Raven Mr Slick window cleaners.This convenient refill screws on easily, ensuring a secure fit for continued cleaning performance. Each pack includes two nuts, making the replacement process quick and hassle-free. Keep your window cleaner in top condition with the Raven Mr Slick Sponge Refill for a streak-free, sparkling finish every time.Pair this with theRaven Mr Slick Short Window Cleaner& theRaven Mr Slick Window Cleaning System.Proudly made in NZ