Excelight EL411B UV System Replacement Ballast: Reliable, CSA Approved, with Power Status Indicate, Alarms, End-of-Life Lamp Indicator, and Power Cord Fits Model #:EL411B Ballast - For EL411AK/EL720AK/EL1129AK Systems Requires conduit connections for installation WJ2011-BK-XL
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Ships within 48 hours · Estimated delivery Nov 13 - Nov 18