Quick answer

Our overall pick is the Normcore 54mm bottomless portafilter, which its listing ties to Breville and Sage machines and pairs with an 18g basket. The MiHeeHome kit suits owners who want a puck screen in the box, while the VOURMIO and fogkay options fit a flat-counter workflow and 51mm three-ear machines.

If you want to see what your espresso is doing as it flows, the best bottomless portafilters remove the spouted bottom so you can watch the basket while it brews. This roundup compares five options from their Amazon listings, each matched to a specific machine size or need. For background on reading shots, see our guide to sour, bitter, and channeling shots.

Quick picks

5 Best Bottomless Portafilters compared

# Product Best for Color Size Height
1 Normcore 54mm Bottomless Portafilter Best overall pick Black 54mm Fits Breville / Sage 1.9685 inches
2 KNODOS 54mm Bottomless Portafilter Best rosewood handle option Rosewood 54mm Fits Breville 2.0 inches
3 MiHeeHome 54mm Bottomless Portafilter Best with a puck screen included Walnut 54mm Fits Breville Not listed
4 VOURMIO 54mm Bottomless Portafilter Best for a flat-counter workflow Walnut 54mm 0.98 inches
5 fogkay 51mm Bottomless Portafilter Best for 51mm CASABREWS owners Silver & Wood 51MM 1.65 inches

How we chose

We compared manufacturer listings and specifications on Amazon as of November 2026. This roundup is based on those listings only. We did not test any of these portafilters hands-on, and the facts below come from the product titles, feature bullets and spec tables.

Our criteria were: which espresso machine models and portafilter sizes each listing names, whether a filter basket and puck screen are included, what handle and head materials are stated, and whether the listing describes cleaning or detaching parts. We also looked for a clear use case for each product so that no two picks share the same reason to buy.

5 Best Bottomless Portafilters: our picks in detail

1. Best overall pick: Normcore 54mm Bottomless Portafilter

1
Pros & Cons

Pros

  • Bottomless design is listed for watching extraction
  • 18g filter basket included, per the title
  • Black anodized aluminum handle, manually lathed per the listing
  • Listing describes the handle as ergonomic and light

Cons

  • The listing does not mention a puck screen
  • Compatibility is named for Breville and Sage only
  • The listing gives no basket details beyond the 18g title

The Normcore 54mm bottomless portafilter is listed as fitting Breville and Sage machines and includes an 18g filter basket, according to its title. The listing describes the bottomless design as a way to watch the whole extraction, which the manufacturer says helps with diagnosing espresso issues.

The handle is black anodized aluminum, which the listing says was manually lathed and finished. The manufacturer describes the handle as light and extra smooth, and says that because there is no bottom, you can use any basket size. The listing gives a weight of 0.9 pounds and a height of 1.9685 inches.

Best for: Breville or Sage 54mm owners who want a bottomless portafilter with an 18g basket listed in the title and a black aluminum handle.

2. Best rosewood handle option: KNODOS 54mm Bottomless Portafilter

2
Pros & Cons

Pros

  • Rosewood handle described as warm and natural in grip
  • 18-21 gram basket listed
  • Listed compatibility with IMS and VST 54mm baskets
  • Long list of named Breville and Sage models

Cons

  • The listing does not mention a puck screen
  • The listing does not say whether the handle detaches
  • Wood handle care is not described

The KNODOS 54mm bottomless portafilter is listed as compatible with a range of Breville and Sage machines, including the Barista Express, Barista Pro, Barista Touch and Bambino Plus. The listing describes a snug fit meant to avoid leakage or wobble on Breville 54mm group heads.

Its distinguishing feature is the rosewood handle, which the listing describes as warm and natural in grip. The stainless steel body comes with an 18-21 gram filter basket, and the listing says the portafilter is compatible with 54mm baskets from other brands such as IMS and VST. The listing does not mention a puck screen or whether the handle detaches.

Best for: Breville owners who want a rosewood handle and a wider 18-21 gram basket range.

3. Best with a puck screen included: MiHeeHome 54mm Bottomless Portafilter

3
Pros & Cons

Pros

  • 53.3mm puck screen included
  • 304 stainless steel head described as dishwasher durable
  • Walnut handle detaches from the threaded head
  • 16-18 gram basket included

Cons

  • Height is not listed
  • Compatibility is named for Breville 8 series models
  • The listing does not give a care method for the wood handle

The MiHeeHome 54mm bottomless portafilter is listed for Breville 8 series machines, including the Barista Express, Barista Pro, Barista Touch, Bambino Plus, Infuser and Duo-Temp Pro. The listing cites a 5.5mm ear thickness for a secure fit without leakage or wobble.

The kit’s standout feature is a 53.3mm stainless steel puck screen, which the listing says keeps grounds off the shower screen and supports even water distribution. The 304 stainless steel head is described as dishwasher durable and oxidation-resistant, and the walnut handle detaches from the threaded head. A 16-18 gram basket is included.

Best for: Breville owners who want a puck screen in the box and a walnut handle that detaches for cleaning.

4. Best for a flat-counter workflow: VOURMIO 54mm Bottomless Portafilter

4
Pros & Cons

Pros

  • Lay-flat base described for steady counter prep
  • Side window exposes more of the basket bottom
  • Walnut handle and polished stainless head
  • Removable handle and basket listed as easy to clean

Cons

  • Listing notes ear thickness of about 5.5mm and asks buyers to compare with their original portafilter
  • The listing says the design may show spraying or uneven flow, which signals a need to adjust technique
  • The listing does not mention a puck screen

The VOURMIO 54mm bottomless portafilter is designed for Breville 54mm machines and lists BES870XL, BES878BSS, BES880BSS, BES500BSS and BES840XL among compatible models. Its main selling point in the listing is the lay-flat base, which the manufacturer says helps the portafilter rest steadily on a counter during dosing, WDT, distribution and tamping.

The polished stainless steel head has a walnut handle and includes an 18-20 gram stainless steel double shot basket. The side window is described as exposing more of the basket bottom, which the listing says makes flow and channeling easier to observe from a standing position. The removable handle and basket are listed as easy to clean.

Best for: Home baristas who prep on a flat counter or tamping mat and want a portafilter that rests steadily.

5. Best for 51mm CASABREWS owners: fogkay 51mm Bottomless Portafilter

5
Pros & Cons

Pros

  • Basket and puck screen both included
  • Food-grade stainless steel head
  • Solid wood handle
  • Detachable design listed as quick to clean

Cons

  • Listing says to verify dimensions against your original portafilter
  • The 2-cup basket is listed at up to 16 grams
  • The listing does not describe wood handle care

The fogkay 51mm bottomless portafilter is listed for CASABREWS models, including the CM5418, 3700Essential and 5418Pro, along with Mr.Coffee Espresso and Cappuccino Machine. The listing describes a three-ear design with ears about 4mm thick and asks buyers to confirm that their original portafilter matches.

It includes a 51mm stainless steel 2-cup basket, which the listing says holds up to 16 grams, and a 51mm puck screen. The portafilter head is food-grade stainless steel with a solid wooden handle. The detachable design is listed as quick to take apart and clean, and the listing offers tips such as using a WDT tool and a 51mm distributor.

Best for: Owners of CASABREWS or Mr.Coffee 51mm three-ear machines who want a basket and puck screen included.

How to choose the best bottomless portafilters

Start with fit. Bottomless portafilters are sold for specific portafilter sizes, and the listings in this roundup name either 54mm Breville-style fits or 51mm three-ear fits. Check your machine’s model and the size of its original portafilter before you buy, and read the listed compatible models closely. If the listing asks you to compare ear thickness or dimensions with your current portafilter, do that comparison first.

Next, look at what comes in the box. Some listings include a filter basket and a puck screen, and the basket capacity may be given as a range. A puck screen helps keep grounds off the shower screen, according to the listings that include one. Check the handle material and whether the handle detaches, since that affects how you clean the parts.

What to look for

  • Portafilter size that matches your machine, as stated in the listing.
  • Number of ears and listed ear thickness, plus any note to compare with your original portafilter.
  • Whether a filter basket and puck screen are included.
  • Handle material and whether the handle detaches for cleaning.
  • Listed compatible models, checked against your own model number.

Think about your prep routine too. A flat base can make dosing and tamping on a counter easier to manage, and a side window can make flow easier to see from a standing position. A bottomless view is a diagnostic tool, not a fix by itself. When you see spraying or uneven flow, the change usually happens in grind, dose, distribution or tamping. Our guide to espresso extraction problems covers those adjustments in more detail.

Finally, follow the manufacturer’s manual for your espresso machine and for any accessory you add. Use a portafilter only in the way your machine’s instructions describe, and do not assume a bottomless design changes the machine’s operating guidance.

FAQ

Will a bottomless portafilter fit my machine?

Check your machine’s model and the size of its original portafilter before you buy. The listings here name specific Breville, Sage, CASABREWS and Mr.Coffee models, so match your machine to a listed model. If the listing asks you to compare ear thickness or dimensions, do that first.

Does a bottomless portafilter make espresso taste better?

The listings do not promise better taste. A bottomless design lets you watch the flow, which can help you spot problems. Shot quality still depends on grind, dose, distribution and tamping. See our guide to sour, bitter, and channeling shots for next steps.

Do these portafilters include a filter basket?

Several listings include a filter basket, and the basket details differ by product. The Normcore listing includes an 18g basket in its title, while the VOURMIO and fogkay listings describe their included baskets in their feature bullets. Check each listing before you buy.

Where can I find general troubleshooting help for my machine?

For general brewing problems, see our coffee maker troubleshooting guide. For safe operation and care of your espresso machine, follow the manufacturer’s manual.

References

  1. Amazon product listings and manufacturer specifications (accessed November 2026)
Owen Palmer

About Owen Palmer

Owen Palmer is part of our editorial team and reviews and edits our coffee machines guides, checking product details against manufacturer specifications and owner feedback.