ExactFit UV ATS-476D w/o-Rings EV-8E, SE 8V, SL 8V ATS Quartz Sleeve ATS-476D ExactFit UV Branded Product - Compatible Compatible with SL-8V, SE-8V, EV-8V and most systems that use the ATS4-450 Bulb Includes (2) O-Rings for Proper Installation Manufactured to meet OEM Specifications This is an ExactFit UV Part, we do not sell ATS branded products.