Nora NT-23 - 6 in. - White Fresnel Shower Trim Trim : High grade fresnel lens attached to metal trim. Lens can be easily removed by hand without tools from below the ceiling for relamping. Mounting : Trim includes two "V" torsion springs to mount trim securely to housing. Replacement "V" torsion springs are available (NRA-86). Compatible Housings : Compatible with Line Voltage, Compact Fluorescent, HID housings, and CFL Retrofits. Labels and Listings : cULus Listed for Damp Location when used with compatible housing.