HYDROFARM JUMP START T5 SYSTEM: Just one 4-foot bulb on an adjustable super-lightweight frame; can accommodate two flats.
HYDROFARM FLP24 T5 HOOD: Fitted with 4 bulbs so the hood is 2 feet long by 11 inches wide. Must be fitted with hardware to raise and lower from a stand or shelf you provide; hood is about 10 pounds.
HYDROFARM T5 4-FOOT: With six tubes, the light footprint is about 46 inches by 18, enough for four flats sideways. Note: Must be fitted with hardware to raise or lower from a shelf or stand you provide for the 25ish-pound hood.