Ultra High Output Full Spectrum gro LED T8/T12 Tube (2 and 4 ft.)

(2 ft. and 4 ft.) Toggled Ultra High Output Full Spectrum Gro direct-wire LED T8/T12 tubes are engineered to provide a higher light output to generate optimal growing performance using selected LED output wavelengths.  Ultra High Output means that it delivers 50% more light than standard variant Designed with high efficiency LED Grow technology (Only uses 25W/4 ft.; 12.5W/2 ft.)  Luminous Flux: PPF 48 uMol/sec, PBAR 53 uMol/sec (4 ft.); PPF 25 uMol/sec, PBAR 28 uMol/sec (2 ft.) Provides up to 70% energy savings over fluorescent Low operating temperature helps plants retain maximum moisture Patented triangular tube shape engineered for broader and more uniform light distribution Engineered to encourage vegetative growth and promote larger leaf growth Designed for direct connection to building AC power, voltage 120-277 VAC T8/T12 Retrofit LED (Installation kit included) Eliminates ballasts and related maintenance Shatterproof polycarbonate tube construction No Mercury Long-life 50,000