Luminor RQ-470 Quartz Sleeve: Keep your Blackcomb system running smoothly by replacing your old quartz sleeve for a fresh one!  If you have had your current quartz sleeve for 2 years, then it is time for a change-out.  If that describes your situation, do not hesitate to order yours today! Fits: LB4-061, LB5-061, and LB6-061 systems Also, A New UV LampIs Great To Have On Hand! Maintenance video: