PARMIDA 20-Pack 4FT LED T8 Hybrid Type A+B Light Tube, 18W, Plug & Play or Ballast Bypass, Single-Ended OR Double-Ended Connection, 2200lm, Frosted Cover, T8 T10 T12, UL - 5000K

? INSTALL WITH OR WITHOUT A BALLAST. These Parmida tubes can be installed with a ballast (plug and play) or without a ballast (direct installation). 18W without ballast, 20W with a ballast. Please check Ballast compatibility before purchase. Standard international 4' T8 tube shape. T8, T10, T12 Fluorescent Tube Replacement. SINGLE OR DOUBLE-ENDED CONNECTION. This tube is UL-Listed for installation with a single-ended or double-ended connection. Fast, simple and secure installation under the functionality of your choice, this Parmida tube is designed with user experience as the defining motivator. KEEP ORIGINAL TOMBSTONES. This tube installs directly into your fixture’s original shunted sockets (tombstones). You will not need to retrofit your fixture with non-shunted sockets. Single-ended installation will require installation with non-shunted sockets/tombstones. Fast, simple and secure installation under the functionality of your choice, this tube is designed with user experience as the defining motivator. FULLY CERTIFIED: UL-LISTED. This product meets strict requirements to be considered energy efficient, safe and reliable. UL-LISTED to avoid electrical shock and fire hazard. RoHS COMPLIANT (Restriction of Hazardous Substances) making our T8's extremely safe. 5 YEAR UNLIMITED WARRANTY. This product is covered by the Parmida 5 Year Warranty, and our dedicated in-house Customer Service is always here to provide you with peace of mind.