Zirkus Filter Basket & Puck Screen
Espresso Filter Baskets & Coffee Puck Screens
Upgrade your espresso setup with ZIRKUS filter baskets and puck screens designed for more controlled puck preparation and a cleaner brewing workflow. Choose from precision, dual-layer and variable-diameter filter baskets in selected 51mm, 53mm and 58mm sizes, with different dose capacities to match your portafilter and brewing style.
Add a 0.8mm or 1mm puck screen to help distribute incoming water more evenly and keep the group head cleaner during extraction. Filter baskets and puck screens serve different purposes and can be used together. Compare the size, capacity, structure and available headspace before ordering to find the right combination for your espresso machine.
Zirkus 18/22g Dual-layer Precision High Extraction Coffee Filter Basket
Zirkus 58mm Precision High Extraction Coffee Filter Basket 18/22g
Zirkus 58mm to 32mm Step-Down Variable-Diameter Filter Basket – 24g
Zirkus 0.8mm Double Layer Precision Espresso Puck Screen
Zirkus 1mm Espresso Coffee Puck Screen
Filter Basket vs Puck Screen: What’s the Difference?
Filter baskets and puck screens serve different purposes in espresso preparation—and they can be used together for a cleaner, more controlled workflow.
| Feature | Espresso Filter Basket | Coffee Puck Screen |
|---|---|---|
| Where It Is Used | Sits inside the portafilter and holds the ground coffee | Sits directly on top of the prepared coffee puck |
| Main Purpose | Holds the coffee dose and controls how espresso flows through the basket | Helps distribute incoming water and keeps the shower screen cleaner |
| When to Choose | Choose when changing basket size, dose capacity, hole pattern or extraction structure | Choose when adding an extra layer to your puck-preparation and cleaning workflow |
| Size Requirement | Must match the portafilter size, basket shape, depth and available clearance | Must fit inside the filter basket and leave enough headspace above the coffee puck |
| What to Check | Portafilter compatibility, basket depth, dose capacity and rim design | Internal basket diameter, screen thickness, coffee dose and group-head clearance |
| Can They Be Used Together? | Yes. A compatible puck screen can be placed above the coffee inside the basket | Yes. It is designed to work with a compatible filter basket |
Choose the Right Espresso Filter Basket
| Filter Basket Type | Available Sizes | Capacity | Main Difference | Best For | What to Check |
|---|---|---|---|---|---|
| Dual-Layer Precision Basket | 51mm / 53mm / 58mm | 18g / 22g | Uses a dual-layer filtration structure designed to create a different flow path through the bottom of the basket. | Home baristas who want to explore a layered basket structure across several common portafilter sizes. | Check the portafilter size, basket depth, selected dose and available clearance before ordering. |
| Precision High-Extraction Basket | 58mm | 18g / 22g | Features a precision hole layout in a conventional 58mm basket format. | Users looking for a precision basket with different dose-capacity options for compatible 58mm setups. | Check the portafilter fit, basket shape, rim design, depth and your preferred coffee dose. |
| Variable-Diameter Basket | 58mm | 24g | Uses a step-down internal shape with a narrower lower extraction area and a deeper, higher-capacity basket body. | Users who prefer a larger coffee dose or want to experiment with a variable-diameter puck geometry. | Check portafilter depth, bottom clearance, coffee dose and whether your existing workflow requires grind adjustments. |
Choose the Right Coffee Puck Screen
| Puck Screen Type | Available Sizes | Thickness | Structure | Best For | What to Check |
|---|---|---|---|---|---|
| 0.8mm Double-Layer Puck Screen | 51mm / 53mm / 58mm | 0.8mm | Uses a thinner double-layer structure designed to sit above the prepared coffee puck. | Espresso setups with limited headspace or users who prefer a thinner puck screen profile. | Check the basket’s internal diameter, coffee dose and available clearance below the group head. |
| 1mm Puck Screen | 51mm / 53mm / 58mm | 1mm | Uses a thicker single-layer structure with a more solid and rigid feel. | Espresso setups with sufficient headspace and users who prefer a thicker puck screen. | Check the basket’s internal diameter, coffee dose and group-head clearance before ordering. |
FAQS
What is an espresso filter basket?
An espresso filter basket is the metal basket inside the portafilter that holds the ground coffee during extraction. The basket size, hole pattern, and capacity can affect espresso flow and extraction results.
What is a precision filter basket?
A precision filter basket is designed with a more consistent hole pattern to support even water flow through the coffee puck. It is often used by baristas who want better control over extraction.
What is a convex basket?
A convex basket, also called a variable diameter basket, has a raised or shaped internal structure instead of a simple flat-bottom design. It is made for users who want to test a different coffee puck shape and extraction style.
What is a puck screen used for?
A puck screen is placed on top of the coffee puck before extraction. It helps spread water more evenly, reduce mess, and keep the espresso machine’s shower screen cleaner.
Should I choose a 0.8mm or 1mm puck screen?
A 0.8mm puck screen is thinner and takes up less space in the basket. A 1mm puck screen is slightly thicker and feels more solid. Choose based on your basket depth, dose amount, and available headspace.
Can I use any puck screen with any portafilter?
No. ZIRKUS puck screens are available in selected 51mm, 53mm and 58mm sizes. Choose a screen based on the internal diameter of your filter basket rather than the nominal portafilter size alone.
Do filter baskets fit all portafilters?
Not always. Filter baskets need to match the portafilter size and basket depth. A 58mm basket is not automatically compatible with every 58mm portafilter, especially if the basket is deeper or shaped differently.
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