{"product_id":"vintage-spiral-filament-tube-bulb-t45-e27-40w-cool","title":"Vintage Spiral Filament Tube Bulb T45 E27 40W Cool White","description":"\u003c!-- v19.1 --\u003e\n\u003ch2 style=\"font-size:16px;font-weight:400;line-height:1.8;margin:0 0 8px 0;color:#121212;\"\u003eVintage Spiral Filament Tube Bulb T45 E27 40W — Cool White 6000K, 220V\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin:0 0 28px 0;color:#121212;\"\u003eT45 tubular filament bulb with a decorative spiral LED filament, E27 screw cap, 40W, and a crisp cool white light at 6000K. The spiral filament inside the elongated T45 tube creates a striking visual pattern — designed for industrial and contemporary fittings where a cooler, more energising light is preferred. Bulb included.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#b8972a;border-left:2px solid #b8972a;padding-left:10px;margin:0 0 12px 0;\"\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:32px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);width:48%;\"\u003eLight source\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eIntegrated LED filament — non-replaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eBulb shape\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eT45 (tubular \/ elongated, clear glass)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eFilament style\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eSpiral \/ helix\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eCap type\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eE27 (large screw)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eWattage\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003e40W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eColour temperature\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003e6000K cool white\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003e220–240V (standard mains)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eRated lifespan\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003e50,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eDimmable\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eVerify before ordering if you have a dimmer switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eIP rating\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eIP20 — dry indoor use only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom:1px solid rgba(18,18,18,0.08);\"\u003e\n\u003ctd style=\"padding:10px 0;font-size:13px;color:rgba(18,18,18,0.5);\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:10px 0;font-size:14px;font-weight:500;color:#121212;\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#b8972a;border-left:2px solid #b8972a;padding-left:10px;margin:0 0 12px 0;\"\u003eT45 Spiral Cool White — Industrial character, cool light \u0026amp; where it works\u003c\/h3\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin:0 0 16px 0;color:#121212;\"\u003eThis is the cool white variant of the T45 spiral filament — an unusual combination that suits a specific type of interior: industrial kitchens, home offices with exposed pendant lighting, retail displays, and contemporary loft spaces where a crisp, energising light is preferred over the amber warmth of a traditional filament bulb. At 6000K, the light is noticeably blue-toned and bright — it improves visibility and focus, making it more functional than decorative. The spiral filament remains fully visible through the clear T45 glass, adding a visual layer of interest even in a cool white fitting. The elongated tubular shape suits horizontal bar pendants, multi-arm wall lights, and industrial ceiling fittings where the bulb silhouette is part of the design language. At 40W, the output is moderate — suitable as a primary source in smaller spaces or as part of a multi-bulb arrangement in larger rooms.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin:0 0 28px 0;color:#121212;\"\u003eDirect E27 screw-in replacement — no tools or rewiring required. Rated at 50,000 hours. IP20 — dry indoor use only. Check dimmability before ordering if your fitting has a dimmer switch. Explore our full \u003ca href=\"\/collections\/light-bulbs\" style=\"color:#121212;font-weight:700;\"\u003eLight Bulbs\u003c\/a\u003e range or read our \u003ca href=\"\/blogs\/news\/interior-lighting-tips-ireland\" style=\"color:#121212;font-weight:700;\"\u003einterior lighting tips\u003c\/a\u003e for advice on mixing filament styles and colour temperatures.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#b8972a;border-left:2px solid #b8972a;padding-left:10px;margin:0 0 4px 0;\"\u003eCommon questions\u003c\/h3\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:12px 0;\"\u003e\n\u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\u003ch4 style=\"margin:0;font-size:15px;font-weight:500;color:#121212;display:inline;\"\u003eWhy choose cool white in a filament bulb — isn’t warm white the standard?\u003c\/h4\u003e\n\u003cspan style=\"color:#b8972a;font-size:18px;font-weight:300;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\n\u003cp style=\"color:rgba(18,18,18,0.65);font-size:15px;line-height:1.7;margin:10px 0 0 0;\"\u003eWarm white is the most common choice for filament bulbs, but cool white (6000K) has a specific use case: spaces where you want the decorative filament aesthetic combined with a brighter, more functional light. Industrial kitchens, home offices with pendant lighting, and retail displays often benefit from the clarity of cool white without sacrificing the visual interest of a visible filament. If you want the classic warm amber glow, choose the warm white T45 variant instead.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:12px 0;\"\u003e\n\u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\u003ch4 style=\"margin:0;font-size:15px;font-weight:500;color:#121212;display:inline;\"\u003eHow does 6000K cool white look compared to daylight?\u003c\/h4\u003e\n\u003cspan style=\"color:#b8972a;font-size:18px;font-weight:300;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\n\u003cp style=\"color:rgba(18,18,18,0.65);font-size:15px;line-height:1.7;margin:10px 0 0 0;\"\u003e6000K is at the cooler end of the daylight range — it produces a crisp, blue-toned white light similar to overcast daylight. It is noticeably cooler than the 4000K “neutral white” used in many offices, and significantly cooler than the 2700–3000K warm white of most filament bulbs. In a room with warm-toned walls or wood finishes, 6000K can feel stark; in a space with white walls, concrete, or metal surfaces, it reads as clean and contemporary.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:12px 0;\"\u003e\n\u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\u003ch4 style=\"margin:0;font-size:15px;font-weight:500;color:#121212;display:inline;\"\u003eCan I mix this cool white T45 with warm white bulbs in the same room?\u003c\/h4\u003e\n\u003cspan style=\"color:#b8972a;font-size:18px;font-weight:300;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\n\u003cp style=\"color:rgba(18,18,18,0.65);font-size:15px;line-height:1.7;margin:10px 0 0 0;\"\u003eMixing colour temperatures in the same room is generally not recommended — the contrast between 6000K and 2700K is significant and will look mismatched. If you want to use this bulb alongside other filament bulbs, ensure all bulbs in the same fitting or zone use the same colour temperature. Mixing is more acceptable across separate zones (e.g. cool white task lighting over a kitchen island, warm white ambient lighting in the dining area).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:12px 0;\"\u003e\n\u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\u003ch4 style=\"margin:0;font-size:15px;font-weight:500;color:#121212;display:inline;\"\u003eIs the T45 tube shape suitable for a bar-style pendant over a kitchen island?\u003c\/h4\u003e\n\u003cspan style=\"color:#b8972a;font-size:18px;font-weight:300;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\n\u003cp style=\"color:rgba(18,18,18,0.65);font-size:15px;line-height:1.7;margin:10px 0 0 0;\"\u003eYes — the T45 is one of the best choices for bar-style and linear pendants over kitchen islands. The elongated tubular shape aligns naturally with horizontal fittings, and the cool white light at 6000K provides the functional brightness needed for food preparation. Ensure the fitting’s sockets are E27 and that the total wattage does not exceed the fitting’s rated maximum.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"ld-faq\" style=\"border-bottom:1px solid rgba(18,18,18,0.08);padding:12px 0;\"\u003e\n\u003csummary style=\"display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;\"\u003e\u003ch4 style=\"margin:0;font-size:15px;font-weight:500;color:#121212;display:inline;\"\u003eDoes the spiral filament affect the light distribution at 6000K?\u003c\/h4\u003e\n\u003cspan style=\"color:#b8972a;font-size:18px;font-weight:300;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\n\u003cp style=\"color:rgba(18,18,18,0.65);font-size:15px;line-height:1.7;margin:10px 0 0 0;\"\u003eNo — the spiral filament is omnidirectional and distributes light evenly in all directions, regardless of colour temperature. At 6000K, the light will appear brighter and more uniform than at 2700K due to the higher colour temperature, but the distribution pattern is the same. There are no directional hotspots or shadows from the spiral shape.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp style=\"border-top:1px solid #b8972a;padding-top:14px;font-size:15px;line-height:1.8;color:#121212;\"\u003eExplore our full \u003ca href=\"\/collections\/light-bulbs\" style=\"color:#121212;font-weight:700;\"\u003eLight Bulbs\u003c\/a\u003e collection or read our \u003ca href=\"\/blogs\/news\/interior-lighting-tips-ireland\" style=\"color:#121212;font-weight:700;\"\u003einterior lighting tips\u003c\/a\u003e. \u003ca href=\"\/policies\/shipping-policy\" style=\"color:#121212;font-weight:700;\"\u003eFree delivery\u003c\/a\u003e on orders over €50 — \u003ca href=\"\/policies\/refund-policy\" style=\"color:#121212;font-weight:700;\"\u003eeasy returns\u003c\/a\u003e if it’s not the right fit.\u003c\/p\u003e","brand":"Lighting Dublin","offers":[{"title":"Default Title","offer_id":50075404370157,"sku":"32998452515-T45 Spiral-E27 220V 40W","price":14.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/4600\/9325\/files\/S864a07e7f3804d16b1eb9c2503826043h.jpg?v=1780732645","url":"https:\/\/lighting-dublin.com\/products\/vintage-spiral-filament-tube-bulb-t45-e27-40w-cool","provider":"Lighting Dublin","version":"1.0","type":"link"}