R17D 4FT 20W F48T12/CW/HO Straight T12 Fluorescent LED Tube Light Bulb for Vending Cooler Freezer Replacement Bulb (4-Pack 5500k) Illuminate your space with 2000 lumen! With super bright, high output LED tubes in your garage, warehouse, or office, you will see things in a new light. SAVE 60% INSTANTLY - Cut down your electricity bill by up to 60% by replacing 48W with 20W Length: 1161 mm/ 45.70 Inches from pin to pin,the pin are rotated,so you can adjust it to lit up any space. Tube Material: Aluminum alloy back; CLEAR LENS.Buy Stationary and Plunger Lamp Holder from this link:https://www.amazon.com/dp/B0109VKKLS Note: Existing Ballast Needs to be removed or by-passed before installation or bulb will burn. For wiring instructions, please look at the pictures.