- Environment-friendly replacement for paper coffee filters that also saves money ,- No more constantly having to buy more paper filters: this permanent filter can be reused over and over again ,- Ideal coffee pouring thanks to the wedge shape ,- Straightforward handling thanks to practical handle ,- Fits perfectly into any conventional coffee maker ,- Replaces paper filter size 4 , ,Note for Consumers: ,The coffee filter is also suitable for dishwashers.