Outlet Grill with Weatherproof Cowl Protection 150mm White SKU: 187741 MODEL: HSCWL150 Error. try again later You've successfully joined the club $ 72 .76 each or 4 interest free payments of $18.19 with More info × Mitre 10 SAvailable at selected stores. Check your local store for details Variants External plastic grill to suit 150mm ducting with weatherproof cowl protection. Features and benefits Easy to install. Cowl style hood to prevent backdraft. For use in ducted applications.