When changing to LED tubes, it is important that you check the length of your current fluorescent tubes. This 18W LED tube replaces a conventional 35W fluorescent tube with a length of 1149mm

The color temperature has a large effect on the lit area and how the area is used. 3000K creates a welcoming atmosphere and is often used in public spaces. 4000K improves focus and attention, and is often used in e.g. kitchens, corridors and over work surfaces. 6000K is perfect in areas without many windows, and where detailed work is carried out, e.g. in laboratories, healthcare, construction sites and warehouses.