2D Fluorescent Light Bulb 16W 2-Pin GR8 3500K – Energy Saving Butterfly Tube Lamp for Home & Commercial Use

When a light goes in a fitting that takes a 2D bulb, finding the right replacement is not always straightforward. Not every bulb shop stocks them, and buying the wrong pin type or wattage means sending it back and starting again. This one is a direct fit for GR8 2-pin fittings, 16 watts, and it works on the standard 220-240V supply that every UK home runs on.

The 2D shape — sometimes called a butterfly tube — is flat and square rather than the round spiral you get on regular energy savers. That shape is designed to spread light evenly across a wide area rather than throwing most of it in one direction. Utility rooms, bathrooms, hallways, kitchen ceilings, office spaces — anywhere that needs a good spread of light across the whole room rather than a bright spot in the middle.

The colour temperature is 3500K which sits between a warm yellow glow and a sharp cool white. It is close to natural daylight — clear enough to see properly without being harsh or clinical the way bright white bulbs can feel in a home setting. Rooms lit at 3500K look bright without feeling like a waiting room.

At 16 watts it uses a fraction of the power an old incandescent fitting would have pulled, and the rated life is 8000 hours. That is years of regular daily use before it needs replacing again. Switch it in once and forget about it.

Slim flat profile fits neatly into ceiling fittings and wall fixtures without sticking out or sitting awkwardly in the housing.

Full spec:

• 16W power consumption
• 2-Pin GR8 fitting
• 2D butterfly tube shape
• 3500K colour temperature — natural warm white
• 220-240V AC
• 8000 hour rated lifetime
• Energy saving
• Suitable for domestic and commercial use

Why it is the right bulb to buy:

• Direct GR8 2-pin replacement — fits straight in
• 2D shape spreads light evenly across the whole room
• 3500K gives clear natural light without harshness
• 8000 hours means years before you need another one
• 16W keeps running costs low

Find the fitting, check it takes a GR8 2-pin, order this one, and the job is done. No second guessing, no wrong size, no sending it back.