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SubstiTUBE® DULUX® L LED TT5 LampsSubstiTUBE® DULUX® L LED TT5 Lamps
sylvania substitube dulux l led tt5 lampssylvania substitube dulux l led tt5 lamps

SubstiTUBE®​ DULUX® L LED TT5 Ballast-Free Lamps


The SYLVANIA SubstiTUBE® DULUX® L LED TT5 Lamps are the Ultimate Energy-Saving Replacement for fluorescent FT40DL/25W & FT40DL/28W lamps. Experience exceptional energy efficiency with these long-lasting LED TT5 lamps, boasting an impressive 50,000-hour lifespan and instant illumination. Designed with an optimized glass structure, they offer uniform light distribution for maximum brightness. Plus, these lamps are engineered to seamlessly operate on your existing instant start electronic DL40 ballasts, making the switch hassle-free and environmentally conscious. Illuminate your space with confidence and save on energy costs with SubstiTUBE® DULUX® L LED TT5 Lamps!​

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Benefits and Features


  • Compatible with instant start electronic DL40 ballasts

  • CCT: 3000K, 3500K & 4100K

  • Long life: 50,000 hour life (L70)

  • 5-year limited lamp warranty (24/7 operation)

  • Non-dimmable

  • THD ≤20%, power factor >0.90

  • 2G11 four pin base

  • No warm-up time, instant-on with full light output and stable lamp to lamp color

  • Suitable for dry and damp locations (cannot come in direct contact with water)

  • Long life lowers maintenance costs

  • Maximize energy savings with occupancy sensors

  • Glass optical design to mimic traditional fluorescent DULUX TT5 lamp​​ ​

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