dry microfiber cloth to remove loose surface dust. Work gently from the top toward the bottom.
Turn the slats in the opposite direction and repeat.
This dry-cleaning step prevents loose dust from turning into muddy streaks when moisture is introduced.
Vacuum cleaners
### Step 2: Prepare the cleaning solution
Fill a bowl with warm water and add two or three drops of mild dishwashing liquid.
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Air Filters & Purifiers
window
Windows
Mix gently. Do not use too much soap, as excess detergent can leave a sticky residue