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Created by a detail-obsessed coffee brewer, the Prism addresses a subtle but significant issue: inconsistent filter alignment. Made from durable Tritan™, The Prism is a refined answer to that problem — thoughtfully engineered for reliability and ease of use. It comes in also two editions — Conical and Flat Bottom — each designed to fit a wide range of today’s most popular drippers. A tool born from brewing frustration, and perfected for those who care about every step of the process.
The Prism securely holds your paper filter flush against the dripper walls — minimizing air gaps, misalignment, or filter collapse. The result? A more consistent flow rate, even extraction, and cleaner cup clarity — without needing to fiddle every time you brew.
Material That Lasts Under Heat
Molded from Eastman Tritan™, the Prism withstands temperatures up to 109°C. It’s durable, food-safe, and heat-stable .
20-Rib Support Structure
The internal ribs align with pleated filters, supporting their shape during pre-wetting and brewing. This reduces filter collapse and maintains a uniform coffee bed — essential for even water dispersion.
Clear and Unobtrusive
Transparent finish offers a clean, professional look that integrates visually with any brewing setup. No distractions, just functional beauty.
Made for Daily Rituals
For those who carefully fold, rinse, and prep — the Prism becomes an essential part of your brewing workflow. Not flashy. Just quietly reliable.
Materials: Eastman Tritan™ (BPA-free, food-grade)
Size Option
Conical Edition:
Max Ø 7.8cm / Min Ø 3.5cm — compatible with most 60° drippers including Cafec Flower Dripper, Origami Dripper, Kōno Dripper, April Brewer, Nou& Dripper, Kalita 185 Dripper
Created by a detail-obsessed coffee brewer, the Prism addresses a subtle but significant issue: inconsistent filter alignment. Made from durable Tritan™, The Prism is a refined answer to that problem — thoughtfully engineered for reliability and ease of use. It comes in also two editions — Conical and Flat Bottom — each designed to fit a wide range of today’s most popular drippers. A tool born from brewing frustration, and perfected for those who care about every step of the process.
The Prism securely holds your paper filter flush against the dripper walls — minimizing air gaps, misalignment, or filter collapse. The result? A more consistent flow rate, even extraction, and cleaner cup clarity — without needing to fiddle every time you brew.
Material That Lasts Under Heat
Molded from Eastman Tritan™, the Prism withstands temperatures up to 109°C. It’s durable, food-safe, and heat-stable .
20-Rib Support Structure
The internal ribs align with pleated filters, supporting their shape during pre-wetting and brewing. This reduces filter collapse and maintains a uniform coffee bed — essential for even water dispersion.
Clear and Unobtrusive
Transparent finish offers a clean, professional look that integrates visually with any brewing setup. No distractions, just functional beauty.
Made for Daily Rituals
For those who carefully fold, rinse, and prep — the Prism becomes an essential part of your brewing workflow. Not flashy. Just quietly reliable.
Materials: Eastman Tritan™ (BPA-free, food-grade)
Size Option
Conical Edition:
Max Ø 7.8cm / Min Ø 3.5cm — compatible with most 60° drippers including Cafec Flower Dripper, Origami Dripper, Kōno Dripper, April Brewer, Nou& Dripper, Kalita 185 Dripper