Not your average coffee filter, our heavy weight bonding makes them 20-30% thicker. It is a misconception that metal filters, percolation or plunging methods brew a stronger? cup of coffee. In fact, what is being tasted are leftover flavors of the fats and sediments which mask the full flavor of the beans.By using CHEMEX filters you are able to brew coffee as strong as youd like, without acidity and bitterness. In your cup you will find only the caffeine and flavor from the desirable aromatic oils of the coffee beans. Our specialized paper works well with light , medium and dark roasts- even tea! Allowing you to make the perfect and most pure cup every time!The CHEMEX brewing system is a preferred method of roasters and baristas worldwide to showcase the spectrum of tastes found in their beans. All CHEMEX Coffeemakers used together with the scientifically designed, patented CHEMEX Bonded Filters, will guarantee that our pourover brewing process will deliver the perfect cup of coffee, without any sediments or bitter elements.100 filters per packChemex Bonded Filter Natural SquareStep 1: Place the funnel in the top portion of the CHEMEX coffeemaker, with 3 layers on the groove side. The groove is an air vent (and also the pouring spout) and allows air to escape from the lower portion of the coffeemaker, letting the coffee filterStep 2: Put coffee in the filter paper cone. Use one heaping tablespoon per cup of coffee (adjust to personal taste if needed after first brew). Refer to brewing instructions for remaining steps.THICKER: 20-30 percent thicker than the competition, specialty fiber filter design keep bitter elements, oils, and grounds in their place (and out of your cup)Fits all CHEMEX Coffeemakers except CM-1, CM-1C, CM-1GHTechnical DetailsItem Package Dimensions L x W x H: 6.34 x 6.3 x 4.61 inchesPackage Weight: 0.59 KilogramsItem Dimensions LxWxH: 12.99 x 6 x 1 inchesItem Weight: 1 PoundsBrand Name: ChemexWarranty Description: WarrantyModel Name: Chemex Square Natural Fiber Coffee Filters (100ct Box) Seamless, Folded (FSU-100)Color: No ColorMaterial: PaperSuggested Users: Unisex-AdultNumber of Items: 1Manufacturer: ChemexPart Number: FSU-100Included Components: 2 FSU-100 filtersSize: 100 count