Tired of battling the elements during extractor fan installation? The Xpelair SSWK range is here to save the day! This handy wall kit allows for easy installation of your 4-inch extractor fan entirely from inside your home. No more need for ladders or battling the weather! The white, round grille provides a sleek look and folds for simple attachment from the inside. The included telescopic wall tube adjusts to fit your wall thickness, ensuring a perfect fit. Upgrade your ventilation system and ditch the hassle with the Xpelair SSWK