Offer is for 1 Piece of the Neptune 1000, 1010, 1020, 1030, 2000, 2010, 2020, 2030 Germicidal UV-C 17 Watt, OEM Quality Premium Compatible UV-C, UV Lamp 10000 Hours, 12 Month Guaranty.This Premium Quality Replacement lamp is Manufactured by Starlighting and is Guaranteed to Meet or Exceed the Original Manufacturers Specifications. The use of the Original Manufacturers Name is for Identification purposes only. The name Neptune, Siemens, Ideal Horizons is trademarked and wholly owned by Neptune, Siemens, Ideal Horizons . We do not sell or distribute Neptune, Siemens, Ideal Horizons Products