Hayward Eyeball Inlet, Hydrostream, 1" Orifice, 5-5/8"fd [White] (SP1422E) generic and this Balboa Vico 2

and this Balboa Vico 2

In practice

but it has a major impact on the consistency of jet performance

12 inch by 9-3/4 inch format supports intended fit

Hayward Eyeball Inlet, Hydrostream, 1" Orifice, 5-5/8"fd [White] (SP1422E) generic and this Balboa Vico 2The Hayward Hydrostream eyeball inlet is designed for compatible return fitting applications where directional water flow is needed through a larger face diameter fitting. An eyeball inlet is useful because it helps direct returning water into the pool, supporting circulation control and more intentional flow placement. This replacement is especially useful when the original inlet is cracked, damaged, worn, or no longer directing flow correctly.