Bottomless Portafilter
Official open-bottom portafilter supplied with an 18 g basket and accepting any-depth 58 mm baskets; the page does not name the E24.

- Category
- portafilter
- Nominal diameter
- 58 mm
- Configured fit family
- commercial 58
Compatibility is a decision, not a diameter guess.
Bottomless Portafilter is documented for a different nominal size or product family than the Bambino, but the cited sources do not publish the complete locking lugs, lug angles, insertion depth, and group-head profile needed to prove fit or incompatibility. Caffeware therefore leaves this pair Unknown.
Bottomless Portafilter is documented for a different nominal size or product family than the Bambino Plus, but the cited sources do not publish the complete locking lugs, lug angles, insertion depth, and group-head profile needed to prove fit or incompatibility. Caffeware therefore leaves this pair Unknown.
Bottomless Portafilter is documented for a different nominal size or product family than the Barista Express, but the cited sources do not publish the complete locking lugs, lug angles, insertion depth, and group-head profile needed to prove fit or incompatibility. Caffeware therefore leaves this pair Unknown.
Dedica Arte's exact US sources do not publish the critical nominal brew-group or filter dimension required to evaluate Bottomless Portafilter. Caffeware therefore leaves this pair Unknown.
Bottomless Portafilter and the Classic Pro E24 are both documented at a nominal 58 mm, but the accessory page does not name the E24 or publish complete locking-lug and installed-depth geometry. Caffeware therefore leaves this pair Unknown.