140mm Dust Proof Dust Filter for Computer Fan Black Features: Colour: Black Dimension: (14 x 14 x 1)cm \/ (5.51 x 5.51 x 0.39)!#!amp!*!quot; (L x W x H) Size: Fits over a 140mm fan case Protects your internal components from dust and debris Simple and elegant appearance Durable and practical Package: 1 x 140mm Case Fan Filter