The 37 watt Replacement High-Output UV Lamp for HydroMAX Pond Filters is made of high quality quartz glass and offers 13 months (9,000 hours) of continual operation of lamp life. The 37 watt ultraviolet lamp has a length of Length of 16.5" and a diameter of 0.75".

NOTE: All UV Sterilizer gaskets and o-rings must be replaced annually to ensure a watertight seal.

PLEASE NOTE: When ordering glass [uv lamps and quartz sleeves] in quantities greater than three (3) please contact us, as shipping requirements may change and the shipping estimate you receive through this cart may not be accurate. Contact our customer service staff at info@emperoraquatics-pond.com or 1-610-970-0440 x0.