This 58mm filter holder is typically supplied with a triple basket and works seamlessly with ECM models such as the Mechanika, Technika, and Synchronika, as well as most machines using the standard E61 group head. Favoured by home baristas, it offers greater freedom during brewing and is an excellent tool for mastering precise, consistent espresso extraction.

5+ online ratings
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Customer Reviews Summary
5+ online ratings
The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.
What people like
The bottomless filter holder is highly regarded for its robust construction, often featuring premium materials like chrome-plated brass or stainless steel, and its ergonomic design. It is frequently highlighted as an indispensable tool for espresso enthusiasts looking to refine their technique, as it clearly exposes imperfections in puck preparation such as channeling, leading to improved extraction and a richer crema. Its aesthetic appeal and solid feel are consistently praised, and it generally offers good compatibility with E61 group espresso machines, although specific fitments and accessory compatibility should be verified.
Pros
- High Quality Construction: Reviewers frequently praise its solid build, craftsmanship, and the use of durable materials like chrome-plated brass or stainless steel, often noting its satisfying weight and sturdy feel.
- Excellent Diagnostic Tool: Many users find it invaluable for identifying and correcting channeling issues, thereby significantly improving espresso shot-pulling technique and overall extraction quality.
- Ergonomic Design: The filter holder is often lauded for its comfortable, angled grip and weight-balanced shape, which contribute to optimal handling during espresso preparation.
- Aesthetic Appeal: Customers appreciate its visual appeal, noting its beautiful craftsmanship, sleek finish, and chrome accents that enhance the look of their espresso setup.
- Includes Triple Basket: The inclusion of a 21g or triple shot basket is frequently mentioned as a positive feature, adding value and convenience.
- Improved Extraction: By minimizing metal contact during extraction, it is said to enhance flavor and contribute to a deeper, more impressive crema.
- Broad Compatibility: It is generally compatible with ECM E61 group espresso machines and a wide range of other 58mm E61 brew groups.
Cons
- Limited Compatibility: Some users experience notable resistance when locking it into certain machines, and it is explicitly stated not to be compatible with specific brands (e.g., Bezzera BZ style, Breville, Gaggia) or some ECM tamping stands.
- Potential for Mess: One review indicated that it could lead to a "giant mess" with coffee spraying if puck preparation isn't perfect.
- Subjective Weight Perception: While most reviews praise its solid feel, one user noted a specific "Crema bottomless portafilter" feeling lightweight and cheap compared to other options.
- Requires Skillful Puck Prep: As a diagnostic tool, it highlights the need for precise grinding, dosing, and tamping, meaning less-than-perfect puck preparation can result in issues like channeling or the "donut effect."
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