Adjustable Wall Air Vent Grille 285 x 270mm Opening & Closing

gt; Size 285(W) x 270mm (H). > Two part sliding system allows vent to be open or closed. These unique opening and closing vents are suitable for a great variety of purposes. > Maximum hole size 235(width) x 230mm (height).
> Size 285(W) x 270mm (H). > Two part sliding system allows vent to be open or closed. These unique opening and closing vents are suitable for a great variety of purposes. > Maximum hole size 235(width) x 230mm (height).

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