Light up your Sun Tunnel skylight after dark with the VELUX Light Kit for Sun Tunnel® Skylights. Quick to install and compatible with both rigid and flexible tubes, it delivers dependable nighttime brightness without clutter or fuss—even if your ceiling has a sense of humor about wiring.

Key Features & Design

• Installed inside the tube just above the diffuser in minutes
• Works with both rigid and flexible Sun Tunnel skylights
• For 10 in. VELUX Sun Tunnel Skylight, use 9-13-Watt GU24 compact fluorescent light bulb (not included)
• For 14 in. VELUX Sun Tunnel Skylight, use 13-26 Watt GU24 compact fluorescent light bulb (not included)
• For 22 in. VELUX Sun Tunnel Skylight, use 13-26 Watt GU24 compact fluorescent light bulb (not included)
• Do not use incandescent bulbs due to accumulation of heat
• UL listed parts and UL recognized with some conditions for acceptability
• ZTL 114 light kit model is designed specifically to be installed with 10 in. and 14 in. VELUX Sun Tunnel Skylights, including TGR, THR, TLR, TMR, TMF, TGF, TSR, TCR in size codes 010 and 014
• ZTL 122 light kit model is designed specifically to be installed with 22 in. VELUX Sun Tunnel Skylights, including TGF 022

Enhance your daylight experience after hours with a reliable, UL-listed solution that complements your VELUX Sun Tunnel system. Brighten rooms, reduce dark corners, and keep the night-time mood intact—without fuss or guesswork.