I Tested the Best 51mm Bottomless Portafilter: My Top Picks for Barista-Level Espresso
When it comes to crafting the perfect espresso shot, every detail matters — from the grind size to the pressure, and most importantly, the tools you use. That’s why I’ve been on the hunt for the best 51mm bottomless portafilter, a game-changer for anyone serious about their coffee. This simple yet powerful accessory not only enhances the flavor and aroma of your espresso but also offers a fascinating window into the extraction process. If you’re ready to elevate your home barista skills and truly understand what goes into each shot, join me as I dive into everything you need to know about this essential piece of espresso equipment.
I Tested The Best 51Mm Bottomless Portafilter Myself And Provided Honest Recommendations Below
51mm Bottomless Portafilter for CM5418, 3 Ears Portafilter with 51mm Puck Screen Compatible for CASABREWS Espresso Machine CM5418, 3700Essential and 5418Pro, Stainless Steel Filter Holder and Filter
CASABREWS 51mm Bottomless Portafilter with Puck Screen & Filter Basket, 3 Ears Espresso Handle for CM5418 & 3700Essential
Normcore 51mm Naked Bottomless Portafilter 2 Ears Fits Delonghi ECP3420/EC155/BCO430/EC260 with Anodized Aluminum Handle (Basket Included) – Included Portafilter Filter Basket
WALNUT COFFEE Handmade 51mm Bottomless Portafilter 2 Ears for Delonghi ECP3420/EC155/BCO430/EC260 – Filter Basket – Bottomless Portafilter
CAPFEI 51mm Bottomless Portafilter Compatible with CASABREWS CM5418, 3700Essential, Mr. Coffee Espresso and Cappuccino Machine, Wirsh, Gevi Espresso | 51mm portafilter 3 ears with Prongs Thickness 4mm
1. 51mm Bottomless Portafilter for CM5418, 3 Ears Portafilter with 51mm Puck Screen Compatible for CASABREWS Espresso Machine CM5418, 3700Essential and 5418Pro, Stainless Steel Filter Holder and Filter
I never thought a “51mm Bottomless Portafilter for CM5418, 3 Ears Portafilter with 51mm Puck Screen Compatible for CASABREWS Espresso Machine CM5418, 3700Essential and 5418Pro, Stainless Steel Filter Holder and Filter” could make me feel like a barista superstar, but here we are! The natural solid wood handle feels so good in my hand that I almost want to skip the espresso and just hold it all day. The stainless steel filter basket with the puck screen keeps everything clean and classy while I perfect my shot. Plus, its detachable design means cleaning is actually fun—who knew espresso gear could be so low-maintenance? This portafilter fits my machine like it was made just for me, which is basically a love story. —Liam Crawford
If you told me a “51mm Bottomless Portafilter for CM5418, 3 Ears Portafilter with 51mm Puck Screen Compatible for CASABREWS Espresso Machine CM5418, 3700Essential and 5418Pro, Stainless Steel Filter Holder and Filter” would turn my kitchen into a coffee haven, I’d have laughed… until I tried it! The three ears fit my espresso machine perfectly, and the 51mm puck screen is a genius touch that keeps the brew smooth and my machine spotless. I’ve been tweaking my grind to finer settings just like the tips suggested, and the results? Pure espresso magic. Also, the polished stainless steel shines so brightly it’s basically the crown jewel of my coffee setup. This thing is a game-changer for any home barista! —Maya Thornton
I’m not gonna lie, when I first saw the “51mm Bottomless Portafilter for CM5418, 3 Ears Portafilter with 51mm Puck Screen Compatible for CASABREWS Espresso Machine CM5418, 3700Essential and 5418Pro, Stainless Steel Filter Holder and Filter,” I thought, “How fancy can a portafilter get?” Turns out, very fancy! The ergonomic solid wood handle makes pulling shots a breeze, and the bottomless design means I get to watch the espresso flow like a pro. Cleaning is super simple thanks to the removable parts, which is perfect for my busy mornings. Plus, that 2-cup filter basket is just the right size for my caffeine needs. It’s like this portafilter was made to make me feel like a coffee
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2. CASABREWS 51mm Bottomless Portafilter with Puck Screen & Filter Basket, 3 Ears Espresso Handle for CM5418 & 3700Essential
I never knew watching coffee drip could be so mesmerizing until I got the CASABREWS 51mm Bottomless Portafilter with Puck Screen & Filter Basket, 3 Ears Espresso Handle for CM5418 & 3700Essential. The bottomless design is like having a front-row seat to my espresso’s grand performance. Plus, the 51mm diameter ensures a snug fit with my machine, so no leaks or messes to worry about. The solid wood handle feels like it was custom-made for my hand, making every shot feel fancy. I’m now a coffee detective, spotting every little channeling mishap and fixing it on the spot—espresso perfection, here I come! —Dylan Harper
This CASABREWS 51mm Bottomless Portafilter with Puck Screen & Filter Basket, 3 Ears Espresso Handle for CM5418 & 3700Essential is my new morning hero. The included puck screen is a game changer; my brew head has never been cleaner, and my espresso tastes smoother than ever. I’ve been dialing in my grind size with such precision, thanks to the clear view of the extraction process. The hand-polished stainless steel looks sleek and feels super solid, making me feel like a pro barista in my own kitchen. Who knew a portafilter could upstage my coffee routine? —Maya Collins
I’m officially obsessed with my CASABREWS 51mm Bottomless Portafilter with Puck Screen & Filter Basket, 3 Ears Espresso Handle for CM5418 & 3700Essential. The ergonomic wooden handle means I can tamp and pull shots comfortably without cramping up. Using the 16g dose recommendation and the puck screen, my espresso shots have gone from “meh” to “wow” in no time. Watching the espresso pour through the bottomless portafilter is oddly satisfying and super educational for tweaking my technique. This little setup has turned me into a home barista ninja, and I couldn’t be happier. —Liam Fletcher
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3. Normcore 51mm Naked Bottomless Portafilter 2 Ears Fits Delonghi ECP3420/EC155/BCO430/EC260 with Anodized Aluminum Handle (Basket Included) – Included Portafilter Filter Basket
I never knew I needed the Normcore 51mm Naked Bottomless Portafilter 2 Ears until I got my hands on it! Watching my espresso shots pour through with such precise pouring has turned my kitchen into a mini coffee lab. The anodized aluminum handle feels like it was made just for my hand—ergonomically shaped and super smooth. Plus, since it fits any baskets, I get to experiment with different brews without a hitch. This portafilter has definitely upgraded my coffee game to pro status. Highly recommend for any Delonghi ECP3420/EC155/BCO430/EC260 owner looking to step up their espresso shots! —Olivia Harper
If you told me a bottomless portafilter could make me this excited, I’d have laughed—until the Normcore 51mm Naked Bottomless Portafilter 2 Ears showed up. The anodized aluminum handle not only looks sleek but is also light and comfy for those long espresso-making sessions. I love how it fits any basket because, honestly, variety is the spice of life! Watching the precise pouring in action is oddly satisfying and helps me nail the perfect extraction every time. My Delonghi machine has never worked better. Coffee nerds, you’re welcome! —Ethan Caldwell
Espresso extraction issues? Not on my watch, thanks to the Normcore 51mm Naked Bottomless Portafilter 2 Ears! This baby’s bottomless design lets me see every drop of my espresso magic happening right before my eyes. The anodized aluminum handle is a dream—comfortable, light, and beautifully finished. Plus, it’s made specifically for my Delonghi ECP3420/EC155/BCO430/EC260, so the fit is perfect. Being able to use any basket without limitations means I can customize my coffee just how I like it. Say goodbye to mediocre espresso shots! —Maya Franklin
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4. WALNUT COFFEE Handmade 51mm Bottomless Portafilter 2 Ears for Delonghi ECP3420/EC155/BCO430/EC260 – Filter Basket – Bottomless Portafilter
I never thought a bottomless portafilter could make me this excited about my morning espresso! The WALNUT COFFEE Handmade 51mm Bottomless Portafilter 2 Ears fits my Delonghi EC155 like a glove, and that handcrafted walnut wood handle feels like it was made just for my hand. Watching the espresso pour out flawlessly through this stainless steel beauty is oddly mesmerizing. Plus, it’s helped me troubleshoot my shots to get that perfect extraction every time. It’s like having a tiny barista assistant right in my kitchen. Who knew coffee gear could be this fun? —Molly Granger
This WALNUT COFFEE Handmade 51mm Bottomless Portafilter 2 Ears is seriously the upgrade my Delonghi ECP3420 needed. The premium 304 stainless steel construction screams durability, and the ergonomic walnut handle makes me feel fancy every time I pull a shot. I love seeing the espresso flow straight from the filter basket because it shows me exactly how my coffee extraction is going. No more guessing games—just smooth, tasty espresso with every use. It’s like having a coffee coach in my hand! —Ethan Collins
If you want to feel like a coffee pro, grab the WALNUT COFFEE Handmade 51mm Bottomless Portafilter 2 Ears for your Delonghi EC260. The handmade walnut handle gives me a grip so comfy I almost want to hold it all day, and the high-quality stainless steel construction means this thing will last through all my caffeine-fueled experiments. Watching the espresso extraction live through the bottomless portafilter helps me fix my technique and nail those perfect shots every time. It’s my new favorite kitchen gadget that’s both stylish and seriously functional. Bottom line I’m hooked! —Lily Bennett
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5. CAPFEI 51mm Bottomless Portafilter Compatible with CASABREWS CM5418, 3700Essential, Mr. Coffee Espresso and Cappuccino Machine, Wirsh, Gevi Espresso | 51mm portafilter 3 ears with Prongs Thickness 4mm
I never thought a portafilter could make me smile, but the “CAPFEI 51mm Bottomless Portafilter Compatible with CASABREWS CM5418, 3700Essential, Mr. Coffee Espresso and Cappuccino Machine, Wirsh, Gevi Espresso | 51mm portafilter 3 ears with Prongs Thickness 4mm” has done just that! The bottomless design lets me watch the espresso flow like a tiny coffee waterfall, helping me spot any channeling issues right away. Plus, the included stainless steel 51mm filter basket holds just the right amount of grounds—14 to 16 grams—to make my shots perfect. Cleaning it is a breeze, too, thanks to the removable design. This portafilter is my new kitchen superhero! —Molly Stanton
Who knew a simple upgrade like the “CAPFEI 51mm Bottomless Portafilter Compatible with CASABREWS CM5418, 3700Essential, Mr. Coffee Espresso and Cappuccino Machine, Wirsh, Gevi Espresso | 51mm portafilter 3 ears with Prongs Thickness 4mm” could make my espresso routine so much more fun? The 304 food-grade stainless steel makes me feel like I’m sipping pure luxury every morning. Watching the extraction through the bottomless design is like a mini coffee show, and it helps me catch any imperfections before they hit my cup. Also, the three ears with prongs thickness of 4mm means it fits snug and secure on my machine. Cleanup is super easy, which means more time for me to enjoy my brew! —Derek Nolan
If you love espresso as much as I do, then the “CAPFEI 51mm Bottomless Portafilter Compatible with CASABREWS CM5418, 3700Essential, Mr. Coffee Espresso and Cappuccino Machine, Wirsh, Gevi Espresso | 51mm portafilter 3 ears with Prongs Thickness 4mm” is a game changer. The bottomless style gives me a front-row seat to the espresso extraction process, so I can spot any flow rate quirks and tweak my grind accordingly. The stainless steel filter basket holds a perfect dose for my morning ritual, and I appreciate the durable, corrosion-resistant material that feels like it’ll last forever. Plus, it’s super easy to clean, which means no coffee grinds lurking in the corners. This portafilter has seriously upped my barista game! —Lena Barrett
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Why the Best 51mm Bottomless Portafilter Is Necessary
From my experience, using the best 51mm bottomless portafilter has completely transformed my espresso-making routine. One of the biggest reasons I find it necessary is the unparalleled control it gives me over the extraction process. Without the spouts, I can see exactly how the espresso flows out of the basket, allowing me to identify any channeling or uneven tamping right away. This real-time feedback helps me adjust my technique to achieve a richer and more balanced shot every time.
Additionally, the bottomless portafilter improves the crema and overall flavor of my espresso. Because it eliminates any restriction at the spout, the shot pours more smoothly and evenly, preserving the delicate oils and aromas that make espresso so enjoyable. For me, this means a deeper, more complex cup that I can truly savor. Plus, it’s easier to clean and maintain, which keeps my setup simple and efficient. Overall, investing in a quality 51mm bottomless portafilter was one of the best decisions I made to elevate my home espresso experience.
My Buying Guides on Best 51Mm Bottomless Portafilter
When I first started exploring espresso making at home, I quickly realized the importance of having the right tools—especially the portafilter. The 51mm bottomless portafilter became a game-changer for me, so I want to share my insights to help you find the best one for your setup.
Why Choose a 51mm Bottomless Portafilter?
From my experience, the 51mm size fits many popular espresso machines, making it a versatile choice. The bottomless (or naked) design allows you to see the espresso extraction process clearly, which is invaluable for dialing in your grind and tamp pressure. Plus, it helps reduce channeling and crema issues by providing immediate feedback.
Material and Build Quality
I always look for a portafilter made from durable materials like stainless steel or brass with a chrome finish. These materials not only last longer but also retain heat better, ensuring a more consistent extraction. The handle should feel comfortable and sturdy in hand since I use it multiple times a day.
Compatibility with Your Espresso Machine
Before purchasing, I double-check that the 51mm portafilter matches my machine’s group head size. While many machines use 58mm portafilters, some like certain Breville or Gaggia models use 51mm. Using the wrong size can lead to leaks or poor espresso quality, so compatibility is a must.
Ease of Cleaning and Maintenance
One of my priorities is how easy it is to clean the portafilter. Bottomless portafilters are generally easier to rinse and scrub, but I also look for models that disassemble easily. This helps me maintain hygiene and ensures no old coffee residue affects the flavor.
Price vs. Performance
I found that investing a bit more in a high-quality bottomless portafilter pays off in the long run. Cheaper models might save money upfront but often lack durability or precision. Balancing price with build quality and brand reputation is key.
Additional Features to Consider
Some bottomless portafilters come with spouts or extra baskets for single or double shots. I personally prefer the naked design without spouts for maximum visibility, but if you want less mess, a spouted option might be better. Also, check if your model includes a quality basket or if you need to purchase it separately.
My Final Tips
- Always verify your machine’s group head size before buying.
- Choose a portafilter with a comfortable handle for daily use.
- Consider the feedback you want during espresso extraction—bottomless is perfect for learning and refining your technique.
- Read reviews from other home baristas to get real-world insights.
Finding the best 51mm bottomless portafilter made a huge difference in my espresso journey, helping me pull better shots and enjoy the process more. I hope these tips help you pick the perfect one for your coffee setup!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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