How to Say "filter" in Spanish
The Spanish word for “filter” is “filtro” — A2 level. This is a very common word in everyday Spanish.
Examples
Necesito cambiar el filtro de la cafetera.
I need to change the coffee maker's filter.
Esa foto se ve mejor con un filtro blanco y negro.
That photo looks better with a black and white filter.
El primer examen de la universidad es un filtro muy difícil.
The first university exam is a very difficult screening process.
Masculine Ending
Since it ends in -o, this word is masculine. You should always use 'el' or 'un' with it: 'el filtro'.
Using 'sin filtro' as an Adjective
When describing a person, you can say they are 'sin filtro' to mean they are very honest or even rude.
Filter vs. Strainer
Mistake: “Using 'filtro' for a pasta sieve.”
Correction: Use 'colador' for kitchen sieves (pasta, vegetables) and 'filtro' for things that catch tiny particles (coffee, air, water).
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