Why use a bottomless portafilter?

Using a bottomless portafilter allows you to observe the extraction process more closely and helps you achieve better-flavored espresso.

Why does the coffee extracted with this bottomless portafilter have no crema?

1.The ground coffee is too coarse. 2.The coffee beans are not fresh, please use fresh beans. 3.The tamping pressure is insufficient, please apply more pressure. 4.There is not enough ground coffee in filter, please increase the amount.

Why does my coffee spray everywhere when using a bottomless portafilter?

This is mainly caused by clumps and uneven distribution of ground coffee in the filter. To break up clumps and ensure even distribution, we recommend using a WDT tool and a 51mm coffee distributor before tamping. These will help reduce channeling.

How can I choose the right bottomless portafilter for my espresso machine?

1.Please confirm the size of the bottomless portafilter you need, this is 51mm. 2.Please check how many ears your original portafilter has; this has 3 ears. 3.Please check the thickness of the ears on the original portafilter, this is 4mm thick.

Is using a bottomless portafilter different from using a regular portafilter?

Yes, a regular portafilter is typically equipped with a pressurized dual-wall filter, which significantly reduces the handling requirements of the ground coffee. If you're using a bottomless portafilter for the first time, it may take some practice.

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

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

Product ID: 725397076

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Details

Brand
fogkay
Manufacturer
fogkay
Material
Stainless
Net Quantity
1.0 Count
Number of Pieces
1
Shape
Basket

☕2-cup filter basket

🧼easy detachable cleaning

⚙️51mm precision fit

Description

☕ Elevate your espresso game with precision and style — don’t just brew, craft your perfect shot!

BOTTOMLESS DESIGN - Experience full extraction visibility to master your espresso technique and avoid channeling.
DUAL CUP CAPACITY - Includes a 2-cup stainless steel filter basket holding up to 16g of coffee for richer, bolder shots.
PRECISION 51 MM FIT - Engineered for perfect compatibility with CASABREWS CM5418 and other 51mm three-ear espresso machines.
QUICK RELEASE EASY CLEAN - Detachable design ensures effortless cleaning and maintenance, keeping your brew fresh every time.
PREMIUM MATERIALS ERGONOMICS - Crafted from food-grade stainless steel with a polished finish and a natural solid wood handle for style and comfort.

This 51mm bottomless portafilter is a high-quality stainless steel accessory compatible with CASABREWS CM5418, 3700Essential, 5418Pro, and other 51mm three-ear espresso machines. Featuring a 2-cup filter basket and puck screen, it offers enhanced extraction control and easy cleaning with its detachable design. The ergonomic solid wood handle adds a premium touch, making it ideal for espresso enthusiasts aiming for barista-level shots at home.

Specifications

ASIN	B0D9TB1NN9
Brand	fogkay
Customer Reviews	4.0 out of 5 stars 263 Reviews
Enclosure Material	Stainless Steel
Included Components	51MM Bottomless Filter Holder, 51MM Doule Cup Filter, 51MM Puck Screen
Item Type Name	Portafilter
Item Weight	345 g
Manufacturer	fogkay
Material	Stainless Steel
Net Quantity	1.0 Count
Number of Pieces	1
Shape	Basket
Unit Count	1.0 Count

Reviews

A**L

Fits Casabrews cm5418 PERFECTLY

23.11.2025

O**R

Fits but doesn’t perform.

6.02.2026

J**E

It all about the flavor.

3.02.2026

A**R

Good, could be better.

26.01.2026

J**K

Good portafilter.

8.01.2026

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