Ultra Fine Filter Cotton Respirator Filter 20pcs Respirator Replacement Filter Cotton Particle Dust Filter For S9/S10

ultra fine filter cotton respirator filter 20pcs Respirator Replacement Filter Cotton Particle Dust Filter for S9/S10 Specification: Condition: Item Type: Filter Cotton Fit For: For S9/S10 Size: Approx. 5.3 x 3.5cm / 2.1 x 1.4in Operation: 1.Open the machine and take out the used filter.2.Put a new filter at the air intake and close it. Make sure that the air filter is fitted tightly to prevent water and dust from entering. Package List: 1 x Bag of Filter Cotton20pcs