Vintage Filament Tube Bulb T45 E27 40W — Warm White 2700–3000K, 220V
Elongated T45 tube-shaped filament bulb with E27 screw cap, 40W, and a warm amber glow at 2700–3000K. The tubular form makes it a natural fit for industrial pendants, wall sconces, and multi-arm fittings where the bulb silhouette defines the look. Bulb included.
Technical specifications
| Light source | Integrated LED filament — non-replaceable |
| Bulb shape | T45 (tubular / elongated) |
| Cap type | E27 (large screw) |
| Wattage | 40W |
| Colour temperature | 2700–3000K warm white |
| Voltage | 220–240V (standard mains) |
| Rated lifespan | 50,000 hours |
| Dimmable | Verify before ordering if you have a dimmer switch |
| IP rating | IP20 — dry indoor use only |
| Certifications | CE |
T45 Tube Filament — Shape, style & where it works best
The T45 is the tubular counterpart to the round ST64 — longer, slimmer, and with a distinctly industrial character. Where the ST64 reads as warm and decorative, the T45 has a more architectural quality: it suits exposed filament wall lights, multi-arm pendants, and bare-bulb ceiling fittings in loft, industrial, or Scandi-influenced interiors. The elongated shape also makes it a strong choice for horizontal fittings — wall sconces and bar-style pendants — where a round bulb would look out of proportion. At 2700–3000K, the light is warm and amber-toned, producing a relaxed atmosphere rather than functional task lighting. At 40W, this bulb is best used as a decorative accent or in combination with other light sources in larger rooms.
The T45 is a direct E27 screw-in replacement — no tools or rewiring needed. Rated at 50,000 hours, it runs significantly cooler and uses far less energy than a true incandescent of equivalent brightness. IP20 rated — dry indoor use only, not suitable for bathrooms or outdoor fittings. Check dimmability before ordering if your fitting has a dimmer switch. Explore our full Light Bulbs range or read our interior lighting tips for advice on pairing filament bulbs with the right fittings.
Common questions
What is the difference between a T45 and an ST64 filament bulb?
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The ST64 is a rounded, teardrop-shaped bulb — the classic Edison silhouette. The T45 is tubular and elongated, giving it a more industrial, architectural look. Both use E27 caps and produce the same warm 2700–3000K light, but the T45 suits horizontal fittings and multi-arm pendants better, while the ST64 is more versatile for single pendant drops and table lamps.
Will the tube shape fit inside a standard lampshade?
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The T45 is longer than a standard globe bulb, so it may protrude from or not fit inside enclosed shades. It is designed for open fittings where the bulb is visible. Always check the internal dimensions of your shade or fitting against the bulb length (typically 140–180mm for a T45) before ordering.
Is this bulb bright enough to light a room on its own?
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At 40W and 2700–3000K, this bulb produces a soft, ambient glow — ideal for atmosphere but not sufficient as the sole light source in a kitchen or workspace. In a living room or bedroom, it works well as a primary decorative light when paired with floor lamps or wall lights for functional brightness.
Can I use this bulb in a multi-arm chandelier or cluster pendant?
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Yes — the T45 works well in multi-arm fittings, especially those with horizontal or angled arms where the tubular shape reads cleanly. Check that each arm socket is E27 and that the fitting's total wattage rating accommodates the number of 40W bulbs you plan to use.
Does the filament flicker when first switched on?
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No — unlike some older LED drivers, this bulb reaches full brightness instantly with no warm-up flicker. If you experience flickering after installation, the most common cause is an incompatible dimmer switch. Verify that your fitting is on a standard on/off circuit, or check dimmability compatibility if you have a dimmer.
Explore our full Light Bulbs collection or read our interior lighting tips. Free delivery on orders over €50 — easy returns if it’s not the right fit.
