For filter is made of 304 stainless steel material, high temperature and low temperature resistance, acid and resistance, resistance, no rust, easy to clean, long use time. Dishwasher safe. The covered woven mesh coffee filter adopts 100 mesh weaving process and wrapping process. The edges are smooth, and 0.25mm fine holes can effectively filter coffee residues. The etched coffee filter is made of 304 stainless steel, after a precise process, 0.25mm fine holes effectively filter coffee residues. Set of 3 Stainless steel metal filter for Coffee Maker, includes a filter with edging and two filters without edging, replaces wasteful bleached paper and cheap steel substitutes, save money and protect the environment. Easy to use and clean: Just put the coffee filter for coffee maker in coffee filter cap and then cover with filter cap to filter coffee. After finishing the filtration, rinse the filter with a tap, and then dry it to use it next time. You receive a coffee filter set for coffee and espresso maker that is easy to make coffee and environmentally friendly. You can invite friends to enjoy delicious pure coffee together .