Sterilight UV Quartz Sleeve replacement UV lamp bulb and accompanying quartz sleeve that works in the VIQUA S5Q-PA, SSM-24, S5Q and S5Q-Gold Series UV systems. IMPORTANT: Replace lamp every 12 months, Replace sleeve every 24 months or as needed based on build up.  UV lamp loses effectiveness if the lamp is weak or the sleeve is dull.

VIQUA's system is a reliable, economical and chemical-free way to safeguard drinking water in any residential application and has been designed and tested to provide quality drinking water.