Keep your grow lights shining bright with our replacement E39/40 ceramic lamp holder. Perfect for all Metal Halide and HPS lamp reflectors and fittings that have a GES thread. 

• Designed for durability and safety, fits E39 and E40 threaded bulbs with a unique dual thread, ensuring a secure and stable connection
• Made from robust ceramic materials to withstand high temperatures and prolonged use
• Simple to install, allowing for quick and hassle-free replacement
• Double insulated and fireproof, providing peace of mind for your growing space
• Suitable for various reflectors and universal mounts, making it a versatile choice