A two-pack. ATI's Purple+ High Output T5 bulb helps to bring out pinks, purples, and reds in marine and reef aquariums. Essentially combining the properties of a full-spectrum bulb with significant red and blue emissions, this bulb is best used in combination with at least two other and different T5 bulbs. 24 watt 22-inch.
Listing is for two bulbs.
Manufacturer: ATI inc.
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Visit Manufacturer's website: www.atinorthamerica.com
ATI Purple+ 24w 22in T5 High Output Reef Bulb 2pk