LSE Lighting Quartz Sleeve Replacement for S463RL QS-463 UV Bulb QS463 Brand: LSE Lighting Compatible Quartz Sleeve by LSE Lighting Compatible Replacement Quartz Sleeve for use with S463RL QS-463 UV Bulb QS463 - perfect fit for following systems: S5Q-PA, S5Q, S5Q-GOLD, SSM-24