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E27 Tube T45 Dimmable LED Bulb 4W 4000K - Opal

£1199
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Description

A slim tubular lamp on the standard screw cap, with a straight filament running the length of the tube behind an opal outer. The opal spreads the light so the filament reads as a soft even column rather than a hard bright line, and the tube is narrow enough at 45mm across to look deliberate in a fitting that leaves the lamp on show. The tone is a cool white, clean and slightly crisp, which keeps whites looking white and holds detail well.

We reach for this where a holder sits in plain view: an open pendant, a cluster of drops over an island, a shallow shade that hides very little, or a wall light with the lamp pointing upward. The 4000K tone suits kitchens, utility rooms, home offices and workshop corners where you want light that feels alert rather than mellow, and the opal keeps glare down when the lamp is at eye level. It dims on a compatible dimmer, so you can pull the level back in the evening once the work is done, though a suitable dimmer is needed and none comes with the lamp.

The opal casing is fitted to a brass-coloured screw cap and the whole thing is light in the hand, drawing only 4W in normal use. To clean it, turn the light off at the switch, give the lamp a few minutes to lose its warmth, then take the dust off with a dry duster or a barely damp cloth on the tube alone, keeping moisture away from the cap. Nothing abrasive is needed, and the opal will not mark if you are gentle with it. It carries a three year warranty. We would put it in a run of identical fittings rather than mixing tube shapes, since the straight filament looks best repeated along a bar or a stairwell where the eye can follow it.

Specification
Colour Opal
Weight 0.06KG
Diameter 45mm
Height 110mm
Materials Used Glass, Metal
Lamp Cap E27
Colour Temperature 4000K Cool White (±5%)
Average Life of Lamp 25000hrs
Number of Switching Cycles 100000
Conventional Lamp Equiv. 40W (±5%)
Shape of Lamp Tubular T45
Type of LED Filament
Beam Angle 360°
System Flux 470lm (±5%)
CRI =80
Ta -20° to +40°C
Total Power Consumption 4W (±5%)
Input Voltage 220-240V~50/60Hz
Dimmable Yes - Suitable Dimmer Required
Dimmer Included No
Average Life 15000hrs
Warranty 3yrs
UKCA/CE Yes
Country of Origin China
Frequently Asked

What is the light output?

It gives 470 lumens, which is a soft, comfortable level suited to decorative fittings and multi-lamp arrangements rather than lighting a large room from a single point.

What are the dimensions?

The tube measures 45mm in diameter and 110mm in overall height, including the E27 screw cap.

Do I need a special dimmer?

Yes. It dims only on a dimmer rated for LED lamps of this type. No dimmer is supplied, and a standard older dimmer may flicker or buzz.

Will 4000K look too cold at home?

It is a neutral, daylight-leaning white rather than a warm yellow. It works well in kitchens, offices and utility spaces; for a cosier sitting room, a warmer tone is the better choice.

Can it be used base up or on its side?

Yes. The filament emits all round, so the lamp gives an even spread whichever way the holder points it.

How long should it last?

Its rated average life is 15,000 hours, and it carries a three year warranty.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and, for products we deliver abroad, internationally. Products we deliver within the UK only say so on their page.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

See it lit, in person

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Why Niori

Over 20 years lighting homes worldwide

We are a specialist lighting and mirror retailer with showrooms in Birmingham, Hong Kong and Dubai, shipping to customers around the world. Our own design team is here to help, from first idea to final fitting.

Genuine products

An authorised stockist

Every product arrives brand new with the full manufacturer warranty. Found it cheaper elsewhere? Ask us about a price match.

Light source

Takes standard bulbs

Takes standard E27 bulbs, so you choose the brightness and colour to suit the room.

Ordering with us

Free delivery over £99

Free delivery on orders over £99, in the UK and worldwide. Easy returns within 14 days, subject to our returns policy. Full manufacturer warranty included.

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    Description

    A slim tubular lamp on the standard screw cap, with a straight filament running the length of the tube behind an opal outer. The opal spreads the light so the filament reads as a soft even column rather than a hard bright line, and the tube is narrow enough at 45mm across to look deliberate in a fitting that leaves the lamp on show. The tone is a cool white, clean and slightly crisp, which keeps whites looking white and holds detail well.

    We reach for this where a holder sits in plain view: an open pendant, a cluster of drops over an island, a shallow shade that hides very little, or a wall light with the lamp pointing upward. The 4000K tone suits kitchens, utility rooms, home offices and workshop corners where you want light that feels alert rather than mellow, and the opal keeps glare down when the lamp is at eye level. It dims on a compatible dimmer, so you can pull the level back in the evening once the work is done, though a suitable dimmer is needed and none comes with the lamp.

    The opal casing is fitted to a brass-coloured screw cap and the whole thing is light in the hand, drawing only 4W in normal use. To clean it, turn the light off at the switch, give the lamp a few minutes to lose its warmth, then take the dust off with a dry duster or a barely damp cloth on the tube alone, keeping moisture away from the cap. Nothing abrasive is needed, and the opal will not mark if you are gentle with it. It carries a three year warranty. We would put it in a run of identical fittings rather than mixing tube shapes, since the straight filament looks best repeated along a bar or a stairwell where the eye can follow it.

    Specification
    Colour Opal
    Weight 0.06KG
    Diameter 45mm
    Height 110mm
    Materials Used Glass, Metal
    Lamp Cap E27
    Colour Temperature 4000K Cool White (±5%)
    Average Life of Lamp 25000hrs
    Number of Switching Cycles 100000
    Conventional Lamp Equiv. 40W (±5%)
    Shape of Lamp Tubular T45
    Type of LED Filament
    Beam Angle 360°
    System Flux 470lm (±5%)
    CRI =80
    Ta -20° to +40°C
    Total Power Consumption 4W (±5%)
    Input Voltage 220-240V~50/60Hz
    Dimmable Yes - Suitable Dimmer Required
    Dimmer Included No
    Average Life 15000hrs
    Warranty 3yrs
    UKCA/CE Yes
    Country of Origin China
    Frequently Asked

    What is the light output?

    It gives 470 lumens, which is a soft, comfortable level suited to decorative fittings and multi-lamp arrangements rather than lighting a large room from a single point.

    What are the dimensions?

    The tube measures 45mm in diameter and 110mm in overall height, including the E27 screw cap.

    Do I need a special dimmer?

    Yes. It dims only on a dimmer rated for LED lamps of this type. No dimmer is supplied, and a standard older dimmer may flicker or buzz.

    Will 4000K look too cold at home?

    It is a neutral, daylight-leaning white rather than a warm yellow. It works well in kitchens, offices and utility spaces; for a cosier sitting room, a warmer tone is the better choice.

    Can it be used base up or on its side?

    Yes. The filament emits all round, so the lamp gives an even spread whichever way the holder points it.

    How long should it last?

    Its rated average life is 15,000 hours, and it carries a three year warranty.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and, for products we deliver abroad, internationally. Products we deliver within the UK only say so on their page.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.