grow light bulb

The listings show common bases including Edison medium screw (E26), medium bi‑pin (G13), and some bulbs with integrated, non‑removable bases.

PPF values in the results range from about 12.85 µmol/s up to about 72 µmol/s, with multiple intermediate output levels shown across different listings.

Recommended placement varies by product but commonly falls around 6–12 inches above plants (some list specific distances like 6 or 9 inches). Typical suggested daily run times range from about 12 to 18 hours.

Warranty lengths vary by item, with examples in the listings including 1 year, 2 years, and 3 years.

Listings show a mix of shapes, including A19 bulbs, T8 tubes, BR30 bulbs, various integrated LED bulb formats, and some non‑standard/custom shapes.

Common features shown include low heat output to protect plants, shatter‑resistant polycarbonate lenses for durability, and in some listings, heavy‑duty aluminum reflectors to direct light.