Valoya’s LâSeries L28 is a T8âformat LED grow tube for growth rooms, chambers and vertical farming. The 28 W model measures 1198 mm × Ø26 mm and weighs 0.36 kg. Spectra options include AP67, AP673L, G2 and NS12. The fixture is nonâdimmable, operates at 110–240 or 277 VAC, and is rated IP20 (IP65 with optional endâcaps). Recommended mounting distance is 0.1–4.0 m. Light output is spectrumâdependent; for NS12 the L28 delivers about 62 µmol/s at up to 2.2 µmol/J. Chainability per mains input is up to 29 tubes at 120 VAC or 67 at 277 VAC. Example coverage: 120 × 120 cm vegetative canopy using 11 L28 tubes as shown in Valoya’s application guidance. The L28 was first introduced in June 2017.
