Best Glass Reflector Bulbs of 2026

The Caldarax Lava Lamp Bulbs are designed to enhance your lighting experience. With a size of Ø39x67mm and a 250lm output, these bulbs provide a warm white light at 2700K, creating a cozy atmosphere in your space. They are 100% dimmable and compatible with traditional dimmers, allowing you to adjust brightness to suit your mood. The R39 reflector shape ensures easy installation, perfectly fitting most lava and glitter lamps. Plus, you can enjoy instant brightness without any flickering, protecting your eyes from strain.

The Crompton Infra-Red Lamp is a powerful 250W incandescent reflector light bulb designed to emit a warm white light, perfect for creating a cosy atmosphere in your home. With its B22d bayonet cap, installation is straightforward, allowing you to effortlessly replace your old bulbs. The clear glass finish not only enhances the light quality but also adds a touch of elegance. With an impressive rated life of 5000 hours, you can enjoy long-lasting illumination without the need for frequent replacements.

The SCNNC R39 Bulb is designed for optimal performance in your lava lamp. Its fast heating feature allows the wax to melt quickly, creating that captivating floating motion you love. With a diameter of 39mm and a standard E14 base, installation is a breeze, ensuring you can enjoy your lamp in no time. This high temperature resistant bulb generates plenty of heat, making it ideal for heating applications. Plus, it’s dimmable, giving you the flexibility to adjust the brightness to suit your room's ambiance.

The Bonlux R39 Reflector Bulbs offer a high-quality, flicker-free lighting experience, ensuring no buzzing or humming sounds. These dimmable bulbs provide a soft warm white light, perfect for creating a cosy atmosphere in your home. With a standard E14 screw base, they are easy to install and turn on instantly, without any delay. You will also appreciate the vivid and natural light they provide, enhancing the colour of your surroundings with a high colour rendering index, making your space feel more inviting.

The Merriway® R39 Reflector Lamps come in a convenient pack of five, featuring a traditional incandescent design that adds warmth to your lighting. With an approximate lifespan of 1000 hours, you can enjoy long-lasting illumination without frequent replacements. The clear finish and internal silvered reflector enhance brightness and efficiency, making these lamps ideal for use in lava lamps. Ensure you check the size compatibility with your light fitting, as correct sizing is essential for optimal performance.

The Klarlight R39 Bulbs offer a powerful 40W output, allowing the light source to heat the wax in your lava lamp more quickly than a standard 25W bulb. This means less waiting time for you. Additionally, the dimmable feature lets you adjust the brightness from 0% to 100%, allowing you to create the perfect atmosphere for any occasion. The higher wattage also makes these bulbs suitable for a wider range of lava lamps, providing more heat and covering a larger area. Lastly, their durable design ensures a longer lifespan, making them a reliable choice.

The Akynite R39 Lava Bulb is a dimmable 25W reflector bulb that provides a soft warm white light, making it ideal for creating a cosy atmosphere in your space. With 250 lumens, it is perfect for ambient lighting in lava lamps and similar decorative fixtures. Its small E14 screw base allows for easy installation, ensuring you can quickly enjoy its glow. Remember, this bulb generates heat to melt the lava wax, so it’s essential to handle it with care while it’s in use.