Sylvania LED Filament 4W BC Very Warm White GLS (39W Alternative) Crown Silver

Name: Sylvania LED Filament 4W BC Very Warm White GLS (39W Alternative) Crown Silver
Brand: Sylvania
SKU: 27159
Availability: Discontinued

Quick Find: 52366

Product Discontinued
This item was discontinued on 24th November, 2025

Alternatively check out our full range of simular products below:
LED Filament Light Bulbs

Beam Angle
110 Degrees

Cap/Base
22mm Ba22d/BC

Cap/Base Type
Bayonet Cap

Colour Temp
2700 K

Diameter
60 mm

Dimming?
Non-Dimmable

Equivalent Wattage
39 W

Finish
Clear/Silver

Length
105 mm

Light Bulb Type
GLS

Light Colour
Very Warm White (827)

Lumens
450 lm

Manufacturer
Sylvania

Technology
LED

Type
Light Bulb

Voltage
220-240 Volt

Wattage
4 W

Product Overview

Sylvania LED Filament 4W BC Very Warm White GLS (39W Alternative) Crown Silver from Sylvania

Model: 27159

Perfect for decorative lighting applications as well as general illumination, this efficient LED lamp creates a warm ambience with a Very Warm White light. This clear light bulb has a filament made from LEDs, providing a traditional light and style with the functionality of an LED, and can act as a direct replacement to a traditional incandescent fitting with the power rating of 39 Watts.

Potential Energy Savings

For bulb(s) over manufacturer's predicted life time and at pence per kWh rate.

Your saving would be approximately £147.00

Technical Specifications

Light Bulb Type	GLS
Technology	LED
Wattage	4 W
Manufacturer	Sylvania
Light Colour	Very Warm White (827)
Dimming?	Non-Dimmable
Equivalent Wattage	39 W
Beam Angle	110 Degrees
Lumens	450 lm
Colour Temp	2700 K
Diameter	60 mm
Length	105 mm
Cap/Base Type	Bayonet Cap
Type	Light Bulb
Finish	Clear/Silver
Manufacturers Average Lamp Life	15000 hrs
Voltage	220-240 Volt
Warranty	5 Years
CRI Rating	< 80
Energy Efficiency Rating	A++
Cap/Base	22mm Ba22d/BC

Associated Product Barcodes

05410288271590

15410288271597

Alternative Stock Identifier Part Codes

CSGLSLED4WBC27K

Technical Advice?

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Lawrence Gibbons
12th December 2025

These guys deserve a review just because of how expertly packaged they sent my fragile and delicate T5 tubes. I will admit not having high hopes of a courier being able to deliver these in one piece but they were snugly bubble wrapped in a very sturdy cardboard tube. Fantastic fast delivery.

Isabel Davies
3rd December 2025

BLT suggested an alternative light bulb for one that had been discontinued which meant I didn't have to replace the fitting, very helpful, thanks

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