

Chemex Pre-Folded Filter Squares (FS-100)
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Precision-crafted filters for the cleanest, most flavourful pour-over coffee. Compostable and biodegradable, manufactured in the USA from North American materials, responsibly harvested and conforming to SFI, FSC, and PEFC sustainable programs - these oxygen cleansed and bleach free pre-folded square filter papers are a fantastic partner for your favourite Chemex coffeemaker.
Product Overview
Brew with confidence using Chemex® FS-100 Bonded Filter Papers—specially designed to work seamlessly with all Chemex® coffee makers. These thick, cone-shaped filters are made from high-quality, oxygen-cleansed paper that removes even the finest sediment and bitter oils, delivering a smooth, rich, and pure cup every time.Key Features
- Thick, Specialty Fibre: Filters out unwanted oils and sediment for a clean, crisp flavuor profile.
- Cone-Shaped Design: Ensures even extraction and optimal brewing time for a balanced cup.
- Oxygen-Cleansed Paper: Free from bleach and chemicals—safe for you and the environment.
- Perfect Fit: Designed to fit all Chemex® brewers (except the 3-cup model).
- Made in the USA: Trusted quality from the original Chemex® brand.
Why Use Chemex® Filters?
Chemex® bonded filters are 20–30% thicker than standard paper filters, ensuring a slower brew and a more refined flavor. They’re the secret behind the signature Chemex® clarity—removing bitterness while preserving the coffee’s natural complexity. -
- Quantity: 100 filters per box
- Material: Oxygen-cleansed bonded paper
- Compatibility: Fits all Chemex® brewers (except 3-cup)
- Dimensions: Pre-folded square filters
- Disposability: Single-use, compostable
What’s in the Box
- 100 × Chemex® FS-100 Bonded Filter Papers (pre-folded)
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These filters are suitable for the following Chemex brewers...
- CM-6A
- CM-6GH
- CM-8A
- CM-8GH
- CM-10A
- CM-10GH
- CM-2 Handblown 5-cup
- CM-3 Handblown 8-cup
- CM-4 Handblown 13-cup
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Chemex Brew Guide
View all brew guidesHow to brew a Chemex
Coffee: 30g - Medium grind
Water: 500g, 95ºC
- Add 60g water to coffee and leave to bloom
- Wait 30-45 seconds, then add 200g water, add the remaining 240g in stages
- Stir, then remove filter when water has passed through (this should take 3.5-4.5 mins)
Read the full Chemex brew guide
