Slip your tomato plants into an Automator Tomato Tray to see what it can do for you! Automator reflects red light, the best kind of light for stimulating tomato growth and increasing yield. Cone-shaped holes bring water and fertilizer directly to the plant's root system. Automator stops weeds and cutworm. Plus, it's perfect for warming the soil early in the planting season. Compact design fits under most tomato cages. Use with tomatoes, peppers, and vine crops. Easily lasts 3 to 4 seasons. 11.7 x 11.4 x 3.2 inches.