You’ve dialed in your grinder, measured your dose, and tamped with care. Yet your espresso still sprays everywhere or runs bitter. The stock spouted portafilter hides all the clues. A bottomless (naked) portafilter removes the guesswork by letting you watch the extraction from the basket’s underside. You see channeling, uneven flow, and grind problems in real time.
| 1st Pick | 2nd Pick | 3rd Pick | 4th Pick |
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| YMWVH 51mm Bottomless Portafilter 2 Ear for De-longhi… | PELYN 51mm Bottomless Portafilter 2 Ear for Delonghi… | Normcore Normcore 51mm Naked Bottomless Portafilter 2 Ears… | CAPFEI CAPFEI 51mm Bottomless Portafilter 2 Ears for… |
| See on Amazon | See on Amazon | See on Amazon | See on Amazon |
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For De’Longhi machines like the ECP3420, EC155, and BCO430, a 51mm two-ear portafilter is the standard fit. The challenge is finding one that locks in securely, includes a quality basket, and feels balanced in your hand. We tested four of the most popular options side by side to see which ones actually improve your workflow.
This roundup covers the YMWVH, PELYN, Normcore, and CAPFEI models. Each has a different approach to build, accessories, and price. We’ll help you pick the right one for your budget and skill level. If you’re still deciding between machine types, our guide on automatic vs semi-automatic machines might help.
Here is a quick look at how the four contenders compare on the specs that matter most.
| Features | YMWVH | PELYN Kit | Normcore | CAPFEI |
|---|---|---|---|---|
| Handle Material | Natural Rosewood | Wood + Steel tools | Anodized Aluminum | Smooth Wood |
| Included Basket | Yes | Yes | Yes | Yes |
| Extra Accessories | None | WDT, Puck Screen, Papers, Scoop | None | None |
| Build Quality | Mirror-polished steel | 304 stainless steel | Precision-lathed aluminum | 304 food-grade steel |
| Best For | Classic look | Complete workflow | Modern minimalism | Budget buyers |
YMWVH 51mm Bottomless Portafilter
YMWVH
51mm Bottomless Portafilter 2 Ear for De-longhi…
- 51mm Bottomless Portafilter 2 Ears: Espresso portafilter only fits Delonghi Stilosa ECP3420/EC155/BCO430/EC260 Coffee Machines. Th…
- ⚠WARNING---NOT FOR Dedica EC680 EC685, EC685, EC680, EC785, EC820, EC850, EC860,EC885,Capresso EC50, SMEG/EUPA espresso/NOT FOR De…
- Upgrade Your Espresso Game: Replace your stock spouted handle with our bottomless portafilter 51mm, the naked bottom lets you watc…
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The YMWVH is the straightforward upgrade for anyone who wants a naked portafilter without extra parts. It’s a direct replacement for the stock handle on De’Longhi ECP3420, EC155, BCO430, and EC260 machines. The head is cast from food-grade stainless steel and polished to a mirror finish, which looks noticeably more premium than the stock plastic-trimmed unit.
In testing, the rosewood handle is the standout feature. It’s ergonomically shaped and provides a warm, non-slip grip even when your hands are slightly wet. The wood grain varies between units, so each one has a unique look. The portafilter locks into the group head with a satisfying, snug fit—no wobble or play during extraction.
The naked bottom does its job well. You can spot channeling immediately and adjust your grind or distribution. The included basket holds a standard 51mm dose, and it works with most aftermarket tampers. One limitation: the wooden handle requires hand-washing and drying. It’s not dishwasher safe, so you’ll need to wipe it after each use.
- 51mm diameter, 2-ear design for select De’Longhi models
- Food-grade stainless steel head with mirror polish
- Natural rosewood handle with ergonomic shape
- Includes a standard 51mm filter basket
- Not compatible with Dedica, La Specialista, or 3-ear machines
Best for: Home baristas who want a classic, warm aesthetic and don’t need extra accessories.
PELYN 51mm Portafilter Kit
PELYN
51mm Bottomless Portafilter 2 Ear for Delonghi…
- Precision Fit for Selected 51mm DeLonghi 2-Ear Machines: Compatible with DeLonghi Stilosa EC155, EC260, BCO430, ECP3120, ECP3220,…
- See Extraction in Real Time: The 51mm bottomless portafilter lets you watch espresso flow directly from the basket, making it easi…
- WDT Tool for More Even Grounds Distribution: Built with fine 304 stainless steel needles and a solid wood handle, the WDT tool hel…
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The PELYN kit is the most complete package in this roundup. It includes the bottomless portafilter, a WDT tool, a puck screen, disposable filter papers, and a coffee scoop. This is everything you need to fix uneven extraction without buying separate tools. It fits the same De’Longhi 51mm 2-ear machines, including the ECP3120, ECP3220, and ECP3630.
The WDT tool is the real value here. It has fine 304 stainless steel needles and a solid wood handle. Using it to break up clumps before tamping made a noticeable difference in our shots—fewer sprays and a more even flow. The puck screen sits on top of the coffee and keeps the group head cleaner, reducing the buildup you’d otherwise scrub off weekly.
The coffee scoop holds about 10 grams, which is a good starting point for a single shot. You’ll still need your own 51mm tamper, as one isn’t included. The portafilter itself is solid, though the handle finish isn’t as refined as the YMWVH’s rosewood. It’s functional but feels a bit more utilitarian. For beginners, this kit removes the guesswork from distribution and cleanup.
- Includes WDT tool, puck screen, filter papers, and scoop
- 304 stainless steel construction throughout
- Fits De’Longhi Stilosa and ECP series machines
- WDT tool uses fine steel needles for clump breaking
- Tamper not included—use your preferred 51mm model
Best for: Newer home baristas who want a complete tool kit to improve their workflow from day one.
Normcore 51mm Naked Portafilter
Normcore
Normcore 51mm Naked Bottomless Portafilter 2 Ears…
- 51mm Diameter - Designed to fit Delonghi ECP3420/EC155/BCO430/EC260 Coffee Machines.
- Precise Pouring – A bottomless portafilter is an important piece of equipment that aids in diagnosing espresso extraction issues.…
- Premium Made – All Anodized Aluminum handles have been manually lathed with expertise and unparalleled quality finish.
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Normcore takes a different approach with an anodized aluminum handle that’s precision-lathed for a smooth, light feel. It’s designed for the same De’Longhi ECP3420, EC155, BCO430, and EC260 models. The aluminum handle is noticeably lighter than the wood options, which makes it easier to maneuver during locking and unlocking.
The key advantage of this design is its compatibility with any 51mm basket. Since there’s no bottom, you’re not limited by the portafilter’s internal depth. You can use a high-capacity basket or a precision one from another brand. This flexibility is useful if you plan to experiment with different basket geometries.
The ergonomic shape fits comfortably in the hand, even during long sessions. The anodized finish resists scratches and feels cool to the touch. One trade-off: the aluminum handle can get warm if left near the machine’s boiler, though it’s never uncomfortable. It also lacks the warmth of wood, which some users prefer aesthetically. The included basket is standard, so you might want to upgrade it separately for better flow.
- Anodized aluminum handle, manually lathed
- Fits any 51mm basket without depth limits
- Lightweight and ergonomic for extended use
- Designed for De’Longhi 2-ear machines
- Included basket is basic but functional
Best for: Users who want a lightweight, modern handle and plan to use specialized baskets.
CAPFEI 51mm Bottomless Portafilter
CAPFEI
CAPFEI 51mm Bottomless Portafilter 2 Ears for…
- 【Compatibility】 This two ears portafilter 51mm fits Delonghi ECP3420/EC155/BCO430/EC260 etc 2 ears coffee machine. *×Not Compatibl…
- 【Filter Basket Included】Stainless steel 51mm filter basket included and compatible with Delonghi's stock 51mm filter basket
- 【Extraction Improvement】the bottomless design can help observed the flow column, flow rate, color, flow column stripes, etc., find…
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The CAPFEI is the budget-friendly option that doesn’t cut corners on the essentials. It’s made from 304 food-grade stainless steel with a smooth wooden handle. The fit is compatible with De’Longhi ECP3420, EC155, BCO430, and EC260 models. Note that it’s not compatible with the ECMP30, so double-check your machine before ordering.
In our side-by-side testing, the CAPFEI performed nearly identically to the more expensive YMWVH. The stainless steel head is resistant to corrosion and rust, and the handle provides a stable grip. The included basket works with De’Longhi’s stock 51mm baskets, so you can swap between them without issues.
The main difference is the finish. The steel isn’t as highly polished as the YMWVH, and the wood handle has a simpler, less refined shape. It’s not a problem functionally, but it doesn’t look as premium on the counter. The extraction visibility is just as good, and we didn’t notice any difference in shot quality between the two. For the price, this is a solid entry point for testing whether a bottomless portafilter suits your routine.
- 304 food-grade stainless steel construction
- Smooth wooden handle for stable operation
- Compatible with De’Longhi 2-ear machines
- Includes a stainless steel 51mm basket
- Not compatible with ECMP30 model
Best for: Budget-conscious buyers who want the core benefits of a bottomless portafilter without paying for extras.
How We Chose These Products
We started by verifying compatibility with the most common De’Longhi 51mm 2-ear machines. Each product had to fit the ECP3420, EC155, BCO430, or EC260 without modification. We then evaluated build quality, focusing on the head material, handle finish, and how securely the portafilter locks into the group head.
Extraction testing was done using the same grinder, coffee beans, and tamping pressure across all four units. We looked for even flow, minimal spraying, and the ability to diagnose channeling. Accessories were weighed by their practical value—whether they meaningfully improved the workflow or just added clutter. Finally, we considered price relative to what’s included, though you should check current prices on Amazon since they fluctuate.
Buying Guide: What Really Matters
Compatibility is the first thing to verify. Most De’Longhi machines use a 51mm basket with a 2-ear locking mechanism, but some models like the Dedica use a 3-ear design. Measure your current portafilter’s diameter and count the ears before ordering. Getting this wrong means a useless product and a return shipping hassle.
Handle material affects both feel and maintenance. Wood handles look great and provide a warm grip, but they require hand-washing and periodic oiling. Aluminum handles are lighter and more durable but can feel cold and may scratch over time. Consider how much maintenance you’re willing to do.
The included basket matters more than you might think. A cheap basket with poor hole distribution will cause channeling even with a perfect tamp. Look for a portafilter that includes a decent stainless steel basket, or plan to buy a precision basket separately. If you’re serious about dialing in, the extra tools in a kit like the PELYN can save you money compared to buying them individually.
Our Top Recommendation
The PELYN kit is our top pick for most home users. The included WDT tool and puck screen directly address the most common extraction problems—uneven distribution and dirty group heads. It’s the only option here that provides a complete solution out of the box. For beginners, this is the fastest path to better espresso.
If you prefer a more traditional look and don’t need accessories, the YMWVH is the best alternative. Its rosewood handle and mirror-polished steel make it the most attractive option, and it performs flawlessly. For budget buyers, the CAPFEI offers 90% of the same performance at a lower price. The Normcore is the pick if you plan to use specialized baskets and want a lightweight, modern feel.
Whichever you choose, a bottomless portafilter will improve your espresso by showing you what’s actually happening. Pair it with a good grinder and fresh beans, and you’ll see a noticeable difference in your shots. If you’re dealing with machine noise issues, check our guide on loud espresso machine fixes.
Frequently Asked Questions
Will a 51mm bottomless portafilter fit my De’Longhi Dedica?
No. The Dedica EC680, EC685, and EC885 use a 3-ear locking mechanism, not a 2-ear design. These portafilters are specifically for 2-ear machines like the ECP3420, EC155, and BCO430. Check your machine’s model number and ear count before purchasing.
Why does my espresso spray everywhere with a bottomless portafilter?
Spraying is usually caused by channeling—water finding a path through the coffee bed instead of extracting evenly. This happens due to uneven distribution, a too-fine grind, or an inconsistent tamp. Use a WDT tool to break up clumps and ensure an even bed before tamping. Also try coarsening your grind slightly.
Can I use my existing 51mm tamper with these portafilters?
Yes, in most cases. The included baskets are standard 51mm size, so your existing tamper should fit. However, the PELYN kit does not include a tamper, so you’ll need to have one or buy it separately. The Normcore’s basket is also standard, but it accepts any 51mm basket you might prefer.
Is a bottomless portafilter worth it for a beginner?
Yes, but expect a learning curve. You’ll see every flaw in your technique, which can be frustrating at first. The benefit is that you’ll fix those flaws faster than with a spouted portafilter. Start with medium-fine grind and adjust based on what you see. It’s the fastest way to learn proper espresso extraction. For more on machine types, read our comparison of automatic and semi-automatic machines.
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