54mm Bottomless Portafilter for Barista Express Pro - single ✔️ Fits 54mm baskets; 18g filter included; enhances espresso clarity This 54mm bottomless portafilter is designed to fit 54mm basket machines and is ideal for Barista Express Pro style setups. Use it to observe the entire extraction and spot issues like channeling or uneven flow. The ergonomic, anodized aluminum handle stays comfortable through long shifts behind the bar. ✅ 54mm diameter bottomless portafilter ✅ Includes 18g filter basket ✅ Anodized aluminum handle with ergonomic grip ✅ Compatible with 54mm baskets and Barista Express/Pro style setups ✅ Color: Black 💡 What is a bottomless portafilter used for in espresso extraction and dialing in grind settings? This handy tool helps you see the actual flow, making it easier to dial in your recipe. - See channeling and flow patterns for better adjustments - Observe crema distribution to balance extraction - Fine-tune grind size, dose, and tamp pressure for consistency ✝️