The Dedica is a slim machine with a wide accessory problem. Search DeLonghi Dedica accessories and you get kits, Reddit threads, and a pile of parts that say 51 mm on the title and still will not lock into the group head. Most puck-prep tools just need to match a 51 mm basket. The portafilter is the exception: it needs 51 mm and three ears, and the listing has to name your model. I have watched people order a "51 mm naked portafilter" more than once and end up with a two-ear handle that spins against the group.
The short version
- Dedica EC680, EC685 and EC885 take 51 mm tampers, funnels, distributors and puck screens.
- A replacement portafilter must be 51 mm and three-eared, and the listing should name EC680, EC685 or EC885. Two-ear 51 mm handles will not lock in.
- In the box you already have a portafilter, filter baskets and a scoop that doubles as a light plastic tamp. Upgrade the tamp first.
- Skip anything labeled 54 mm or 58 mm, and skip a bottomless handle if you are still on pre-ground coffee and the stock pressurized basket.
What comes with the DeLonghi Dedica?
Before you buy anything, dump the box out again. De'Longhi's Dedica Style listings describe a filter holder, filter baskets and a coffee scoop. In practice that scoop is also the stock tamp: a light plastic disc molded onto the measure. Most EC680 and EC685 machines also include more than one basket, often a 1-cup, a 2-cup and an ESE pod basket. The stock baskets are pressurized, or dual-wall. They are forgiving with pre-ground coffee and they hide almost everything a puck-prep tool is supposed to reveal.
That last point matters more than people think. If you are still using supermarket pre-ground coffee in the dual-wall basket, a fancy distributor will not suddenly give you café shots. Spend the first money on beans and a grinder that can actually grind for espresso, then come back to the tools below. If you already have an espresso-capable grinder and you are ready for a single-wall basket, the accessories start to pay off. Our guide to pressurized vs non-pressurized baskets shows how to tell which one is in the handle right now.
What size accessories fit the Dedica?
Write this on a sticky note: 51 mm for tools that go in or on the basket, and 51 mm plus three ears for anything that locks into the group head.
Tampers, dosing funnels, distributors and puck screens only care about the basket. The Dedica's basket family is 51 mm, so that is the variant you want. Measure the inside of your own basket if you like; our tamper size guide has the ruler trick. Do not order a 53 or 54 mm tool because a Breville page looked similar, and do not order 58 mm because that is what cafés use. Neither will fit.
Portafilters are where people get caught. The Dedica group uses three ears, or lugs, and they are not spaced the same as a two-ear 51 mm handle made for other machines. A listing that only says "51 mm naked portafilter" is not enough. It needs to name the Dedica, usually EC680, EC685 or the EC885 Arte, and mention three ears. We do not currently sell that handle, and I am not going to wave you toward a 54 mm or 58 mm bottomless portafilter. Those lock into different machines.
This guide is for the classic Dedica pump machines: EC680, EC685 and EC885. The newer Dedica Duo is a different design. If that is the machine on your counter, measure the basket and read the listing before you assume 51 mm.
| Accessory | Size to look for | What to check |
|---|---|---|
| Tamper | 51 mm base | Slides into the basket without scraping the wall |
| Distributor / leveler | 51 mm | Depth set so the base just meets your dose |
| Dosing funnel | 51 mm | Sits on the rim without rocking; remove before you tamp |
| Puck screen | 51 mm | Room above the puck at your usual dose |
| WDT tool | One size | Needles reach the bottom of the bed |
| Knock box | Opening that takes a 51 mm portafilter | Footprint beside the slim machine |
| Bottomless portafilter | 51 mm, 3-ear Dedica fit | EC680, EC685 or EC885 named on the listing |
Which Dedica accessories are worth buying first?
A 51 mm tamper, then a WDT tool
The stock scoop-tamp is the first thing I would replace. It is light, it is easy to hold at an angle, and an uneven puck is the usual reason a Dedica shot runs fast down one side. A spring-loaded tamper in 51 mm rests its collar on the basket rim and presses straight down, so you stop thinking about your wrist. If you already own a decent tamp and the shots still swing from one morning to the next, add a 7-needle WDT tool and stir the clumps out before you press. The needles work in 51 mm baskets just as they do in larger ones.
Do not buy the tamper because a page told you to hit 30 pounds. Force in the normal range barely changes extraction; a level press does. We covered the tests in how hard to tamp espresso.
A 51 mm dosing funnel, if the grinder sprays
The Dedica basket is small, and a lot of home grinders throw grounds past the rim. A 51 mm magnetic dosing funnel gives you a taller wall while you grind and while you stir. Take it off before the tamp. If you leave it on, a collared tamper sits on the funnel instead of the rim and you get a shallow, tilted press.
A distributor, only if the surface is still uneven
A 51 mm walnut espresso distributor flattens the top of the dose after WDT and before the tamp. It is a nicety, not a requirement, and it does not replace the tamper. If you are choosing between a distributor and a funnel, buy the funnel first. We wrote out that logic in can a coffee distributor replace a tamper.
A 51 mm puck screen, after you check headspace
A 51 mm dual-layer puck screen sits on the tamped coffee, spreads the incoming water a little and keeps the shower screen cleaner. On a small Dedica basket, headspace is the catch. Prep a normal dose with the screen on top, lock the portafilter in without brewing, then pull it out. If the shower screen left a dent in the mesh, drop the dose slightly or save the screen for a shallower dose. Our puck screen size and headspace guide covers the workarounds.
A knock box, if you are banging the portafilter on the bin
The Dedica is tiny. The kitchen bin is usually not next to it. Our 450 ml knock box is about 110 by 100 mm on the counter, with a rubber-coated bar and an opening that takes portafilters up to 58 mm, so a 51 mm Dedica handle fits easily. It holds several days of pucks for most households.
Dedica accessories compared
If you only want to buy one or two things this month, this is the order I would go in for someone grinding fresh into the Dedica.
| Accessory | Problem it solves | Priority | Yozcoffee option |
|---|---|---|---|
| 51 mm spring tamper | Tilted tamps from the stock scoop | Buy first | Spring-loaded tamper, 51 mm |
| WDT tool | Clumps in the dose | Buy first | 7-needle WDT tool |
| 51 mm dosing funnel | Grounds all over the drip tray | Second | Magnetic funnel, 51 mm |
| 51 mm distributor | A surface that is still uneven after WDT | Optional | Walnut distributor, 51 mm |
| 51 mm puck screen | A dirty shower screen | Optional | Puck screen, 51 mm |
| Knock box | Pucks in the bin, dents in the handle | Second | Knock box, 450 ml |
What you can skip
Skip any 54 mm Breville kit and any 58 mm "universal" set. They will not fit, and returning them wastes a week.
Skip a bottomless portafilter until you have a grinder that can grind fine enough for a single-wall basket. On pre-ground coffee the naked handle just makes a mess. When you do buy one, wait for a listing that names your exact Dedica model and three ears.
Skip a second milk jug unless you already steam well with the stock panarello wand and know you want a different size. The Dedica's steam is modest. A giant pitcher does not make it stronger.
And skip extra pressurized baskets. You already have those. If you want a different shot, the path is a proper grind and a single-wall basket that fits the Dedica, not another dual-wall insert.
Recommended for you
Puck prep
WDT Espresso Distribution Tool, 7 Needles
Works in the Dedica's 51 mm basket and in larger ones if you later change machines. $19.99.
View product
After you tamp
Dual-Layer Puck Screen, 51 mm
0.8 mm 304 stainless mesh. Check headspace at your dose. $19.99.
View product
Clean-up
Espresso Knock Box 450 ml
Rubber-coated bar and a small footprint next to the Dedica. $19.99.
View productDeLonghi Dedica accessories FAQ
What size tamper do I need for a DeLonghi Dedica?
A 51 mm tamper. Measure the inside of your basket to be sure. The number that matters is the basket, not the outside of the portafilter, and not whatever a Breville kit happened to use.
What size portafilter does the Dedica use?
The EC680, EC685 and EC885 use a 51 mm portafilter that locks in with three ears. A generic 51 mm portafilter with two ears will not fit, even if the listing looks almost right.
Does the Dedica come with a tamper?
It comes with a combined measuring scoop and plastic tamp. It works in a pinch, but it is light and easy to tilt, which is why most owners replace it first.
Will Breville 54 mm accessories fit a Dedica?
No. Tampers, funnels and puck screens made for Breville 54 mm portafilters are too large. Buy tools labeled 51 mm.
Do I need a bottomless portafilter for the Dedica?
Only if you have a real espresso grinder and want to see channeling. It must be a 51 mm, three-ear Dedica portafilter that names the EC680, EC685 or EC885. We don't sell that handle yet, so we will not point you at a 54 or 58 mm one.
What size puck screen fits the Dedica?
A 51 mm screen. Check headspace at your usual dose: lock the prepared portafilter in without brewing; if the shower screen leaves a dent in the mesh, drop the dose a little or skip the screen.
Measure the basket and buy the 51 mm version. When you are shopping for a portafilter, ignore anything that does not name your machine. That habit will save you more money than any bundle labeled "Dedica compatible."
Every 51 mm tool in one place, including tampers, funnels, screens and distributors.
Shop 51 mm espresso accessoriesSources
- De'Longhi: Dedica Style EC685.M product page, for the official description of the machine and its included filter holder, baskets and scoop.
- De'Longhi: What's in the box with the Dedica EC680 and EC685, for De'Longhi's own unpacking overview of the accessories that ship with those models.
- Socratic Coffee: The impact of tamping pressure on espresso extraction, for why a level, repeatable tamp matters more than chasing a specific force number.
- Product details checked on Yozcoffee listings, 2026-11-06 Asia/Shanghai.