Filter dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.
Interpretation 1 — Ibn Seerin
In a dream, a filter represents the essence of one’s faith and knowledge.
A filter in a dream also could mean music, taverns, dancing or insolence.
A filter in a dream also represents a man who speaks only the truth and who does not allow for impurities to seep into his life.
(Also see Sieve)
Source: Islamic Dream Interpretation • Author: Ibn Seerin
Interpretation 2 — Margaret Hamilton
“Screening” one’s life for protection from undesirables
Source: Dream Dictionary Unlimited • Author: Margaret Hamilton