KNODOS 54mm Espresso Dosing Funnel and Puck Screen Set — Stainless Steel Magnetic for Breville

KNODOS 54mm Espresso Dosing Funnel and Puck Screen Set — Stainless Steel Magnetic

Stainless steel versions of the two most useful portafilter accessories. The magnetic coffee dosing ring sits on top of your 54mm portafilter to contain grounds during dosing. The espresso filter screen sits inside the basket on top of the tamped coffee to spread water evenly during extraction. Both are built from food-grade stainless steel with a magnetic fit — heavier and more durable than aluminum alternatives.

Stainless Steel Coffee Dosing Ring

The dosing ring is a magnetic funnel that clips onto the top of your 54mm portafilter basket. It extends the walls upward so coffee grounds stay contained while you dose, stir with a WDT tool, or use a distributor. The stainless steel body is heavier than aluminum — it stays in place with more authority and feels solid in hand. Magnets hold it to the portafilter rim. Lift it off before tamping.

Espresso Filter Screen 54mm

The 54mm filter screen is a fine-mesh stainless steel disc that goes between the coffee puck and the group head. Water hits the screen first and spreads evenly before reaching the coffee. This reduces surface channeling — the most common cause of uneven extraction in the first few seconds of a shot. The screen also catches coffee fines and keeps them from clogging the shower screen. After the shot, grounds stay in the basket instead of sticking above.

Why Stainless Steel Over Aluminum

Stainless steel is denser and more scratch-resistant than anodized aluminum. It handles repeated contact with metal portafilters and cleaning chemicals without wearing down. The trade-off is weight — stainless steel adds slightly more grams to the portafilter when weighing doses. If weight sensitivity matters for your workflow, the anodized aluminum version is available as an alternative.

What's Included

• 1x KNODOS 54mm Magnetic Dosing Funnel (Stainless Steel)

• 1x KNODOS 54mm Espresso Puck Screen (Stainless Steel)

Machine Compatibility

Fits 54mm portafilter baskets. Compatible with Breville Barista Express, Barista Pro, Barista Touch, Bambino Plus, Infuser, Duo Temp Pro, and Sage equivalents.

Breville Built-In Grinder Compatibility

Important: This stainless steel dosing funnel does not fit into the Breville built-in grinder slot and will not activate the grinder trigger button. To grind directly through a funnel into the portafilter using Breville’s built-in grinder, you need the KNODOS 54mm Dosing Funnel with Grinder Trigger model — designed specifically to fit the grinder slot and press the trigger. This magnetic funnel is built for standalone grinders (Niche Zero, DF64, Eureka, Baratza, Breville Smart Grinder Pro, and others). Dose your grounds into the portafilter manually — the funnel catches stray grounds during dosing and distribution.

Frequently Asked Questions

What is the difference between this stainless steel set and the anodized aluminum version?

Same design, different material. Stainless steel is heavier, more durable, and more scratch-resistant. Anodized aluminum is lighter — better if you weigh doses with the funnel on the portafilter. Both are food-safe and corrosion-resistant.

Does the puck screen really improve espresso?

It improves water distribution across the top of the puck. Users typically report more even extraction, less channeling, and slightly sweeter shots. It also keeps the shower screen cleaner between backflush cycles.

How long does a puck screen last?

Stainless steel puck screens last for months of daily use. Rinse after each shot. Deep clean with Cafiza or similar espresso cleaning solution when coffee oils build up on the mesh.

Can I use the dosing funnel while grinding into the portafilter?

Yes. Set the funnel on the portafilter and grind directly through it. The funnel walls catch grounds that would otherwise land outside the basket. This works with standalone grinders and with Breville's built-in grinders.

Does the magnetic hold work on all Breville portafilters?

Yes. Standard Breville portafilters are stainless steel and magnetic. The funnel grips securely to the portafilter rim.

What is an espresso puck screen also called?

Puck screens go by many names — espresso screen, portafilter screen, filter screen, contact screen, espresso filter disc. They all refer to the same type of accessory: a mesh disc placed on top of the coffee puck before extraction.

Will this funnel trigger my Breville’s built-in grinder?

No. This funnel does not fit the Breville grinder slot and cannot press the grinder trigger. You need to start the grinder manually or use the KNODOS 54mm Dosing Funnel with Grinder Trigger, which is shaped to fit the slot and activate the grinder automatically.

Which grinders does this funnel work best with?

Any standalone grinder — Niche Zero, DF64, Eureka Mignon, Baratza Sette, Fellow Ode, Breville Smart Grinder Pro (used separately), and similar single-dose or hopper grinders. Grind into a dosing cup, transfer to the portafilter with this funnel on top, and distribute.