{"product_id":"replacement-for-sylvania-21376-f40t12-930-eco-15-pack-t12-tubes","title":"Replacement for Sylvania 21376 F40T12\/930\/ECO - 15 Pack T12 Tubes","description":"\u003cp\u003eIn this review the reviewer looks at the Replacement for Sylvania 21376 F40T12\/930\/ECO fluorescent tube set and why a buyer needing consistent warm white lighting should consider it. The 15-pack offers a practical replacement for fixtures using the F40T12 form factor, and the single biggest reason to buy is straightforward: it delivers reliable 3000K warm white output with strong color rendering across a large quantity of lamps, which is ideal for workshops, retail backrooms, or larger maintenance jobs where matching color and lifetime matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15 Light Bulbs:\u003c\/strong\u003e Buying in a 15-pack reduces the hassle of repeated purchases and ensures you have spares for multiple fixtures or future replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT12 Glass Size with G13 Base:\u003c\/strong\u003e The standard T12 diameter and two-pin G13 base make these tubes compatible with existing T12 fixtures without adapter changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3000K Color Temperature:\u003c\/strong\u003e The warm 3000K light produces a softer, less clinical appearance than higher kelvin bulbs, useful in customer-facing or comfort-focused spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3000 Lumens and 90 CRI:\u003c\/strong\u003e High lumen output and a 90 CRI help colors appear more accurate and details remain clear under the lamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20,000 Hour Rated Life:\u003c\/strong\u003e A long rated lifetime lowers the frequency of replacements for steady installations, saving time on maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e47.76 in Length:\u003c\/strong\u003e At about 48 in these tubes match standard F40T12 fixtures for easy swap-in replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits maintenance teams, facility managers, and homeowners who need multiple like-for-like replacements for existing T12 fixtures and value a warmer white light with good color rendering. The pack format is particularly convenient for schools, warehouses, and shops that replace many tubes at once.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who have converted to T8 or LED fixtures or who require daylight or cool white color temperatures; this pack is specifically matched to the F40T12\/930\/ECO specification and 3000K output rather than lower-energy LED retrofits.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent 3000K warm white output across 15 tubes makes matching lighting simple.\u003c\/li\u003e\n\u003cli\u003eHigh 90 CRI improves color accuracy, useful in retail or task lighting situations.\u003c\/li\u003e\n\u003cli\u003eLong 20,000 hour life reduces replacement frequency for steady-use installations.\u003c\/li\u003e\n\u003cli\u003eStandard G13 two-pin base and 48 in length ensure compatibility with T12 fixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs fluorescent T12 tubes, they are not the most energy-efficient option compared with modern LED replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFluorescent Tube Light Bulb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Replacement\u003c\/td\u003e\n\u003ctd\u003eSylvania 21376 F40T12\/930\/ECO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e15 light bulbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e40 Watt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003eG13 two-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Temperature\u003c\/td\u003e\n\u003ctd\u003e3000K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e47.76 in (48 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumen Output\u003c\/td\u003e\n\u003ctd\u003e3000 Lumens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Rendering Index\u003c\/td\u003e\n\u003ctd\u003e90 CRI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Life\u003c\/td\u003e\n\u003ctd\u003e20,000 Hour Life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 15-pack Replacement for Sylvania 21376 F40T12\/930\/ECO is a practical, value-oriented choice for anyone needing multiple direct replacements for T12 fixtures. It provides reliable 3000K warm white light with high CRI and a long rated life, making it a smart option for facilities that prioritize consistent color and reduced maintenance rather than the ultimate in energy efficiency.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these tubes compatible with standard T12 fixtures?\u003c\/strong\u003e\u003cbr\u003eYes, they use the standard T12 glass size and G13 two-pin base, so they fit typical F40T12 fixtures designed for 48 in tubes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat color temperature do these bulbs provide?\u003c\/strong\u003e\u003cbr\u003eThey provide 3000K warm white light, suitable for warmer, less clinical lighting environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long do the tubes last?\u003c\/strong\u003e\u003cbr\u003eThe tubes are rated for about 20,000 hours of life under normal operating conditions.\u003c\/p\u003e","brand":"Industrial Performance","offers":[{"title":"Default Title","offer_id":48262286541019,"sku":"B0FC41K81B","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/419M3hivYWL._AC_SL1000.jpg?v=1778320582","url":"https:\/\/gearmusthave.com\/products\/replacement-for-sylvania-21376-f40t12-930-eco-15-pack-t12-tubes","provider":"GearMustHave","version":"1.0","type":"link"}