Hayward SP1419C Hydrostream Directional Flow Inlet FittingThe Hayward SP1419C is a Hydrostream directional flow eyeball return fitting with a 1 2 inch orifice and a 1. 5 inch MIP thread that screws into standard pool wall returns. It has an adjustable eyeball and a 1 1 2 inch MIP male thread connection, with an approximate 2 3 8 inch face diameter. Distinguished by its restricted 1 2 inch eyeball opening, this white thermoplastic fitting is engineered to create higher nozzle velocity than standard 3 4 inch