Aerlite Heat Transfer Kit Through Wattall White SKU: 174900 MODEL: ALHTTW Error. try again later You've successfully joined the club $ 69 each or 4 interest free payments of $17.25 with More info × Mitre 10 SAvailable at selected stores. Check your local store for details Variants Transfers excess heat from one room to another. Through wall kit. Features and benefits Complete kit with 100mm axial fan, duct and fixed grille.