What is this?

[CAMHShelp]

Found this is my parents kitchen, DM is no longer with us and DF hasn’t a clue.

Anyone know what it is?

Washing powder measures / dispenser? As in one that goes inside the drum?

Have you put your photo into Google lens? That might give you an idea?

Do they have a dishwasher? Pretty sure we had something like this come with our dishwasher or maybe it was washing machine? Anyway we didn't know what it was and therefore didn't use it.

Inside of a water bottle? For putting in the freezer and keeping the rest of a drink cool?

Searching the image on Google comes up with results for coffee filters

A reusable coffee filter, similar to Aeropress.

I first thought dishwasher salt funnel, but the markings would be weights not volumes.

This is a Fellow Prismo attachment for an AeroPress coffee maker. It is a pressure-actuated valve designed to be used with the AeroPress to create espresso-style coffee.

• It creates a no-drip seal, allowing for a full immersion brew without the need to use the inverted method.
• The attachment includes a reusable etched metal filter, which eliminates the need for paper filters.
• It is compatible only with the AeroPress Coffee Maker.
• The valve stays sealed until you press down, which allows for a buildup of pressure to create espresso-style coffee.

According to reverse image search!

It's from the boardgame "DohNutters'

Doh Nutters Game is a hilarious, crazy, 'elephantastic' action game, in which each player must use their trunk(no hands!) to Scoop Up three Donuts. Can you be the first elephant to get all your doughnuts on your trunk?

They have never had a coffee machine and there is no hole so I don’t see how washing machine powder would be related. It’s a mystery

They’ve never had that game!
DF is currently trying to make it fit in the dishwasher but hasn’t been successful so far

They are joking about the elephant game, we have that game and it is definitely not one of the parts.

Definitely doesn’t fit in the dishwasher so none the wiser

Detergent dispenser for a carpet cleaner thing?

Google says it’s from a Keurig coffee machine

Can you fill it with liquid ? My first thought was its one of those things you freeze and then goes inside a water bottle to keep your drink cool