VELUX ZTL 114 Electric Light Kit For 10"-14" Inch Sun Tunnel Tubular Skylight
ZTL 114 fits VELUX 10-14 in. For 10 in. VELUX Sun Tunnel® Skylights, use 9-13-Watt GU24 compact fluorescent light bulb (not included). For 14 in. VELUX Sun Tunnel® Skylights, use 13-26 Watt GU24 compact fluorescent light bulb (not included).