Transform your ventilation setup with the HPM 150mm External Window Grille Kit. Designed for spaces where internal or roof cavities are inaccessible, this kit ensures efficient expulsion through window fittings. It comes with all the necessary components for a hassle-free installation, making it the perfect solution for optimal airflow and convenience.

• Includes Gaskets, Exterior Grille & Fixing Plate
• 150mm Kit - Suits R621/8A &R621/9A Heavy Duty Wall Exhaust Fans
• Economical and convenient for exhausting steam and odours through a window
• 3 Year Warranty