Swimables Threaded Directional Eyeball Fitting SW-30-840 is a 1-inch replacement fitting designed to control the direction and flow of water returning into the pool. Made from durable, chemical-resistant plastic, it provides long-lasting performance and allows for easy adjustment to improve water circulation and coverage. Compatible with standard 1" threaded return fittings, this eyeball fitting is ideal for optimizing filtration and preventing dead spots in pool water. Simple to install, it's a practical upgrade or replacement for maintaining effective pool water movement.