- PREMIUM MATERIAL: Crafted from high-quality baby-grade polypropylene and 304 food-grade stainless steel, this coffee filter is non-toxic and tasteless, meeting food industry standards. The inner layer features ultra-fine metal wire, effectively filtering out 99.9% of residue. The outer thickened stainless steel plate is laser perforated for durability. - STRONG PRACTICALITY: Say goodbye to disposable filter paper. This coffee filter is designed with an integrated chassis for easy placement on coffee containers. Its washable filter screen simplifies cleanup compared to traditional paper filters. - VERSATILE USAGE: Ideal for coffee filtration in coffee shops, milk tea shops, and restaurants, this hand-brewed coffee filter is also perfect for personal use. It can be used for brewing both coffee and tea. - EVERYDAY EFFICIENCY: Simply add ground coffee and pour in hot water. This filter streamlines your coffee-making process, eliminating the need for paper filters and saving you time in your daily routine.