UV Max Replacement Quartz Sleeve 602732 for UVMax System C/C4, D/PLUS & D4/PlusOnly 1 In Stock Order Today!This listing is for the Quartz Sleeve only not the Lamp as in the picture.Product Description:All UV Max systems include a quartz sleeve, which surrounds the lamp. The quartz sleeve provides thermal protection for the UV lamp and protects it from possible water damage. The quartz material used in VIQUA quartz sleeves are a 100% fused silica which lend to the sleeve's high transmittance. A high transmittance is important as the UV light must travel through the sleeve to get to the water. There are a variety of quartz sleeve designs, depending on the system that they are being used in.UV Max® Replacement Quartz Sleeve for these systems;UV Max Model CUV Max Model C4 (650692)UV Max Model D4 (650694)UV Max Model D4 Plus (650695)Shipping and Package:Damages during shipping cause us as much headaches as to you. We pack our Lamps and Quartz Sleeves with superior packaging to insure your parts will arrive in perfect working order. Order with confident!