This listing is for Ten (10) single tube light. Note: Existing Ballast Needs to be removed or by-passed before installation. Type of LED: SMD 5730. Tube Material: Aluminum alloy back. The item "LED T8 Tube Light Lamp Bulb (10 pcs) 4 ft.18W (Fluorescent Replacement) 6500K" is in sale since Wednesday, May 13, 2015. This item is in the category "Business & Industrial\Building Materials & Supplies\Lights & Lighting\Other Lights & Lighting". The seller is "1-sourceelectronics" and is located in Yaphank, New York. This item can be shipped worldwide.