This Premium Quality Replacement lamp is Manufactured by LuTrace and is Guaranteed to Meet or Exceed the Original Manufacturers Specifications. The use of the Original Manufacturers Name is for Identification purposes only. This 2 Pack Bundle of 55W, 36.5 Inch UV lamp bulbs is designed for the Blonics, UV-55W-FS, 12 & 24 Gallon Flow, 55W &110W Whole House UV Water Filter Systems. Manufactured by LuTrace, these OEM-quality lamps are constructed from durable high-transparency quartz glass to ensure optimal UV transmission and reliable long-term performance in residential applications. Direct Fit for: Blonics, 55 Watt, 36.5 Inch, 12 & 24 Gallon Flow, 55W &110W Water Systems Your purchase is covered by 1 year warranty and Includes free gloves for Handling. For Warranty Claims and other Inquires please Direct Message us and our Customer Service Department will get back to you. All LuTrace bulbs are manufactured in an EPA Registered Facility (EPA Establishment Number: 99027-NY-1) and made using high-purity quartz glass to ensure maximum UV transmission and consistent performance.