These 20-watt T4 fluorescent light bulbs have a high color rendering index and a rated life of 16,000 hours.
Diameter: 4/8in (0.5in)
Nominal Length: 20-9/16 inches long (Nominal Length for linear fluorescent light bulbs includes the length of the lamp plus "the proper allowance for standard lamp sockets".)
Very Good CRI: is 82+ for all white lamps below
Bipin Base: bipin base at both ends
3 Color Temperatures: color temperature of 3000K (warm white), 4100K (cool white), 6400K (daylight)
3 Colors: red, blue, green, black light
Very Good Rated Life: rated life is 16,000 hours on average
Large Quantity Discount: If you would like us to quote on a large quantity of 20-Watt T4 Fluorescent Light Bulbs, please call us at our toll-free number or use the online Quotation Request for Large Quantities form. We are always happy to provide you with our best large quantity pricing.