The Duo Blaster Directional Eye Ball Gray is a precision-engineered spa jet insert designed to deliver personalized control over a spa’s water flow. Compatible with Duo Blaster jet systems, this durable directional eyeball allows users to adjust the direction of water output, enhancing massage coverage and hydrotherapy comfort. Its gray finish matches standard Duo Blaster components, and its 1-¾” fit ensures secure installation and reliable operation.