Energizer

LED Filament ST64 Bulb E27 4W Smokey Glass – 4000K Cool White (Dimmable)

Manufactured to the highest standards, the range is compliant with the latest industry regulations and includes high performance, economical and sustainable technologies.
Key Features
  • ENER861
  • 400 Lumens Output
  • 4000K Cool White
  • 4W LED Filament (50W equivalent)
  • Dimmable
  • E27 Screw Cap
  • Smokey Glass Finish

Available: In Stock

Regular Price
£4.49
Regular Price
Sale Price
£4.49
Unit Price
per 

- +

Create a modern decorative look with this LED Filament ST64 Bulb, featuring a stylish smokey glass finish and a crisp 4000K cool white light. Designed for open fittings and feature lighting, it combines classic filament style with modern LED efficiency.

With a light output of 400 lumens, this bulb delivers the brightness of a traditional 50W incandescent while using just 4W of power. Fully dimmable and compatible with standard E27 (ES) fittings, it’s ideal for living spaces, kitchens, bars, cafés, and decorative pendants.

  • Decorative ST64 LED filament bulb
  • Smokey glass finish – ideal for exposed fittings
  • 4000K cool white light for a clean, modern look
  • 400 lumens – replaces a 50W incandescent bulb
  • Just 4W power consumption
  • Dimmable (with compatible dimmer)
  • E27 (ES) cap – quick and easy retrofit
  • 220–240V

Manufactured to high standards, this bulb offers reliable performance and energy-efficient lighting in a stylish vintage-inspired design — perfect for homes and hospitality spaces alike.


Shipping Information

We offer fast and reliable delivery across the UK.

  • Standard Delivery (2–3 working days)
  • Next Day Delivery (order cut-off times apply)

    Orders over £50 qualify for free standard delivery.

You will receive full tracking details once your order has been dispatched.

Returns & Exchanges

If you need to return an item, we offer a simple and hassle-free returns process.

All returns must follow our full Returns Policy, which explains eligibility, timeframes and instructions.

If you have any questions or need help with a return, please contact our team.

View our policies: