Transform your home espresso ritual with the KNODOS 58mm Bottomless Portafilter—a precision instrument that reveals the true artistry of extraction. Handcrafted in premium stainless steel with a warm rosewood handle, this barista-grade naked portafilter delivers café-quality transparency and control to every shot. ⚙️ At a Glance Type Bottomless Portafilter Diameter 58mm Material Stainless Steel & Rosewood Dose Capacity 18–21g 🔧 Precision Engineering The open-bottom design allows real-time extraction monitoring, revealing espresso flow patterns to help diagnose grind consistency, tamping pressure, and channeling issues. This naked portafilter is the essential tool for home baristas serious about understanding and refining their technique. 🔧 Machine Compatibility 🚀 Rocket 🟤 Lelit ⚡ Profitec 🎯 ECM 💫 Ascaso ✨ Flair 58 ⚙️ Quick Mill 🔧 Bezzera E61 Group Head Compatible — Precision-fit for machines with E61 group heads. Also accommodates universal 58mm baskets including IMS and VST varieties for maximum flexibility. Always confirm your machine's compatibility before purchase. 📐 Specifications 🥄 Material Stainless Steel 🌳 Handle Premium Rosewood 📏 Diameter 58mm ✨ Finish Polished & Rosewood 🧼 Care & Maintenance Wipe dry after each use and rinse thoroughly to prevent espresso oil buildup. The durable, corrosion-resistant stainless steel construction ensures longevity, while the rosewood handle benefits from occasional light conditioning to maintain its natural beauty and warmth. Store in a dry environment to preserve the wood finish. 🎯 Made For Perfect for home baristas and espresso enthusiasts seeking transparent extraction insight and café-quality results. Whether you're perfecting your technique or diagnosing shot variables, this bottomless portafilter invites mindful engagement with each brew. Ideal for those who appreciate the craft of espresso and want to elevate their home setup. ↩️ 30-Day Returns Unused items, 30 days. Damaged, wrong, or lost made right. 🔒 Secure Checkout Encrypted payment, trusted by Shopify. 📦 Tracked Shipping Every order ships with tracking. Why Home Cooks Choose SERA ✓ Hand-CuratedEvery tool & ingredient is selected for quality — not mass-listed. ✓ Café & Kitchen GuidanceClear how-to notes so you get great results at home. ✓ Real SupportQuestions? Our team replies within 24–48 hours. 📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.