Brew clean, flavorful coffee with genuine CHEMEX Bonded™ Pre-Folded Natural Square Filters. Made from specialty filter paper that is 20 to 30% thicker than most competing filters, the CHEMEX design captures oils and sediment while supporting a consistent extraction. The result is a smooth, clear cup with excellent flavor definition. Each natural brown filter is pre-folded for convenient setup. The 100-count box is suitable for cafés, restaurants, offices and home brewers. Why CHEMEX Filters Stand Out Pre-folded for quick and consistent setup Cone-shaped for uniform extraction 20 to 30% thicker than most competing filters Helps remove oils, bitterness and sediment Compostable for convenient disposal Manufactured in the United States from North American materials Natural Filter Paper The natural brown paper retains its original wood color and is cleaned using hot-water baths. It is not bleached or oxygen-cleansed. The paper is responsibly sourced in accordance with SFI, FSC and PEFC sustainable forestry programs. Compatibility Fits all CHEMEX coffeemakers except: Three-Cup Classic Series Three-Cup Handblown Series Three-Cup Glass Handle Series CHEMEX Funnex What’s Included Quantity: 100 filters Shape: Square Style: Pre-folded Color: Natural brown Brewing Tip Open the filter so three layers are positioned on one side and one layer is on the other. Place the three-layer side against the brewer’s spout to help prevent the filter from forming a vacuum seal. Rinse thoroughly with hot water before brewing to warm the brewer and remove any paper aroma.