It is rare to find a skinny LED U-bend with 1-5/8″ leg spacing, but Keystone has created a Direct Drive LED version of this lamp. It bypasses the ballast and wires direct. Available in 15W and in 3500K, 4000K and 5000K. KT-LED15T8-U1G-835-D – KT-LED15T8-U1G-840-D – KT-LED15T8-U1G-850-D