Replacement UV Lamp, suits the following brands of spas plus others: Arcadia Monarch, O2 Spas, Vortex Spas.
Details: 305mm (1 Foot) Long (not includings connection pins)
UV-ELECTR UV15-D303Y15
CAUTION: PROTECT EYES AND SKIN FROM UV RAYS. LOOKING AT A SWITCHED ON UV LAMP WILL SEND YOU BLIND