Introducing the new T8 LED Lamps from Arcadia, the fuss free way to upgrade your current T8 lighting to brighter and energy efficent LED. Fully compatible with current T8 controllers from Arcadia and comparable to T5 light ouptut which we believe makes it the must have for upgrading to LED at the fraction of the price. This is the Tropical LED Lamp that is a combination of Red, Green and Blue LED\'s that result in a warmer light effect, enhancing the reds in your fish, without flattening the irrdescent blues found in may tropical species. Features Include 17W is equivalent to a 36W fluorescent lamp. 72 x 0.25W LED\'s. Uses 1/3 of the electricity and produces 70% more effective light than the equivalent fluorescent lamp. Overall, 5x more light for every kilowatt hour. Adds \'ripple effect\' to an aquarium. Compatible with current Arcadia Controllers. Lamp is a twist manoeuvrable to allow a more specific lighting position.