* Fackelmann offers you a GR4 reusable coffee filter to prepare your coffees taking care of the planets. You will no longer need paper filters. * This coffee filter is made to last over time thanks to its stainless steel mesh. This permanent coffee filter in GR4 size with stainless steel filter mesh and plastic frame is a great alternative to paper filters. This black stainless steel filter makes up to 12 coffee cups. This reusable coffee filter can be simply cleaned in the dishwasher after use.