55 Watt Jalli Power Compact actinic bulb (four pin horizontal).

55 watt Smart Power compact bulb, 1/2 Actinic and 1/2 Daylight color (four pin horizontal).

True actinic PC bulb. Contains real actinic phosphors similar to proven Super Actinics. Specifically engineered to benefit the growth of marine life. Peaks at 420-430 nanometers to provide life supporting actinic radiant energy utilized in photosynthesis. Square pin pattern.

True actinic compact fluorescent bulb. Contains real actinic phosphors similar to proven Super Actinics. Specifically engineered to benefit the growth of marine life. Peaks at 420-430 nanometers to provide life supporting actinic radiant energy utilized in photosynthesis. Linear pin pattern.

One tube is 10,000K white and one tube is Actinic 03 Blue. Linear pin pattern.

Brilliant Ice White color, Very Bright light, upgrade your 55 watt PC 6700K, square pins configurations for PC sockets (not in-line pins as Germans)

22" Length, Color appearance: White, also known as Cool Daylight, Brightens your aquarium. Simulates daylight. Ideal for reef, saltwater, plants and freshwater tanks, square pins configurations for PC sockets (not in-line pins as Germans)