3000kelvins to promote bud set and flower production. 6400k, efficiently deliver full-spectrum light

T5-24 watt Warm HO Fluorescent Tubes-3000KT5-24 watt Day HO Fluorescent Tubes-6500K5,000 initial lumen outputRated 20,000 hour life

3000kelvins to promote bud set and flower production. 6400k, efficiently deliver full-spectrum light These low-heat bulbs can be placed close to plants to maximize light exposure