CWLR1CB Well Light Accessory Lens & Bronze Ring Fits CWL series By Cast LightingThe Cast Lighting CWLR1CB is a CAST Well Light Accessory Convex Clear Glass Lens & Bronze Ring That Fits the CWL series Description Solid bronze ring with convex borosilicate clear glass lens for all CAST Well Lights. This prevents plant material from contacting the lamp and is secured by two slotted thumbscrews. California Residents: Prop 65 regulations Product Files Click for Product Information