SB13 is a large submersible eyeball fiber optic fitting designed for constant immersion in swimming pools, ponds, and water features. Constructed with durable stainless steel and a 1.42” (36mm) flat clear lens with a rear adjustable ball, it provides underwater side-lighting from the mounting surface. The eyeball component utilizes an o-ring and locking ring to provide superior sealing against water ingress. It easily supports fiber sizes from 0.08” (2mm) up to 0.31” (8mm). Featuring a wide 2.95” (75mm) flange, SB13 delivers reliable, highly accurate performance in demanding aquatic environments.