Unbleached Size 4 Coffee Filter Papers — Pack of 80 The most popular filter paper size for home and office use. These unbleached size 4 cone papers are made from dioxin-free paper and fit the vast majority of 8-12 cup domestic pour-and-serve filter coffee machines. Biodegradable and compostable, they’re the eco-friendly choice for everyday filter brewing. FREE delivery on orders over £70. Key Features ✅ Pack of 80 filter papers ✅ Size 4 cone shape (1x4) — fits most 8-12 cup domestic filter coffee machines ✅ Unbleached & dioxin-free — eco-friendly, no chemical residue ✅ Dimensions: 12cm tall x 18cm wide — standard UK domestic size ✅ 100% biodegradable & compostable — dispose with used coffee grounds 🇬🇧 UK stock — next-day delivery available How They Work Size 4 filter papers open from a flat triangle shape into a cone — round at the top, narrow at the base — to sit perfectly in the filter basket of your machine. The unbleached paper allows water to flow through evenly, extracting full flavour while holding back all grounds for a clean, sediment-free cup. Frequently Asked Questions What machines do size 4 papers fit? Size 4 papers fit most standard 8-12 cup domestic pour-and-serve filter coffee machines. They are the most common size for home and office filter brewers in the UK. Are these bleached? No — these are unbleached, dioxin-free papers with a natural brown colour. They leave no chemical residue in your coffee. Are they biodegradable? Yes — 100% biodegradable. Used papers and coffee grounds can be composted together. What are the dimensions? 12cm tall x 18cm wide — the standard size 4 (1x4) cone filter paper. How many are in a pack? 80 filter papers per pack. Delivery UK stock, ready for immediate dispatch. Next working day delivery available. FREE delivery on orders over £70. 🛍️ You May Also Like Unbleached 3-Pint Filter Papers – Pack of 50 – for commercial filter machines DeLonghi 2-Pint Basket Filter Papers – Pack of 50 – for DeLonghi machines Aeropress Filter Papers – Pack of 100 – for Aeropress brewers