Description WICONA (by Hydro) restrictors are used to limit the opening of top-hung aluminium windows. They are supplied in pairs and can be used for Wicona, Hydro and Technal windows. Features Window restrictors for top-hung aluminium sashes Used on Wicona, Hydro and Technal windows Supplied in pairs 10″, 12″ and 16″ lengths available (fully extended length) Integrated catch holds the restrictors in the open position Share on Twitter Share on Facebook Pin this product Share via email
