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50 Gallons or Less & Complete Kits
Coralife ES80420
Coralife 20 inch 420nm Actinic 20 Watt T5 HO Fluorescent Lamp
Your Price: $12.29

Detailed Description

The Coralife 20 inch, 420nm Actinic, 20 Watt T5 HO Fluorescent Lamps are 16.25 inches from end of pin to end of pin (for 20 inch fixtures/retrofits).

The Coralife T5 bulbs will work in any T5 fixture, as long as you are using bulbs of the same wattage as those currently in your fixture. T5 bulbs come in two categories, HO bulbs (20W, 24W, 31W, 39W or 54W) and NOs (9W, 14W, 21W or 28W). T5s are 5/8" or .625" in diameter.