About This Easy Plug & Play Replacement: Swapping bulbs is a breeze—simply remove the old quartz tube and insert one of these replacement tubes. No need to buy a full lamp assembly—cost-effective and clipboard technician-approved. Premium Quartz Explosion-Proof Design: Crafted from high-quality explosion-proof quartz, these tubes deliver reliable infrared heat coverage for your coop heating needs. Perfect for maintaining comfortable temperature zones. Weather-Ready Durability: Handle rugged farm life—these quartz tubes are designed to withstand temperature changes and environmental stress, making them dependable year‑round. Maintain Proper Heat Easily: Simply pair with a timer or dimmer (sold separately) and your heat lamp fixture. These tubes restore consistent warmth without risk of overheating or chilling your flock. Smart Spares for Smart Care: Keep spare tubes on hand—no dreary weather or hatch delays! These replacement bulbs ensure your chicken coop heater is ready, reliable, and hassle‑free. Reliable After-Sales Support: This is an electronic product, and we understand that setup or use can sometimes raise questions. If you run into any issues, just reach out to our U.S.-based support team through Amazon—we’ll get back to you by the next business day. Overview Brand : Evjeal Product Dimensions : 4.7"L x 0.35"W x 0.35"H Material : explosion-proof quartz Specific Uses For Product : Chicken Coop Heat Lamp Tubes Special Feature : Chicken Coop Heat Lamp Tubes