OSTTRPO 4-Pack 40 Watt Lava Lamp Bulb Replacement, R39 E17 120V Incandescent Yellow Light Bulbs, Ideal for Glitter Lamps, Standard Reflector Type for Lava Lamp Bulbs - R39 E17 40W-1

• High-Quality Design: This 4-pack of 40 watt 120V R39 E17 incandescent yellow light bulbs are carefully crafted for optimal performance. Featuring a reflective spherical shape with a diameter of 39mm（1.54 inches） and a height of 63mm(2.48 inches), these bulbs provide focused, directional lighting for a variety of uses. Ideal for lava lamps, glitter lamps, and even ovens, thanks to their heat-resistant design. Long Lifespan & Durability: Our lava lamp bulbs are built to last, offering a reliable lighting solution for your needs. The use of high-temperature-resistant cement and high-melting-point solder ensures they can withstand high temperatures of up to 300 degrees without the bulb holder becoming loose or falling off. The double helix filament design also provides good shock resistance to prevent filament detachment. Safe & Secure Use: For added safety, these incandescent light bulbs come with a built-in fuse to prevent accidental short-circuits, ensuring the security of both people and appliances. Enjoy peace of mind with every use, knowing your lamp or oven is protected. Perfect Lava Lamp Performance: These 40 watt reflector bulbs heat evenly to lava lamps, creating the perfect conditions to melt and soften the "lava" material in the lamp. This makes them the perfect choice for standard small lava lamps, helping to achieve the mesmerizing flowing lava effect that these lamps are known for. Energy-Efficient Lighting: With a wattage of 40 watts, these light bulbs are an energy-efficient option for your lighting needs. Their dimmable feature also allows for further energy savings and customized brightness levels. Upgrade your lighting with these high-quality, long-lasting, and energy-saving bulbs., Manufacturer: OSTTRPO