PEM 6370 is an adjustable water inlet return fitting to be used on the wall or floor of the pool. The base is made of cast bronze and covers are 316 STL. Steel.
Available in: 1", 1-1/2", 2" NPT/ BSP
Other options:
https://pemfountain.ca/product-detail/pem-6345-series-eye-ball-return-fitting