The new Return Fittings named Aquadaptor, made by Paramount are supplied in 8 different colours, are extra flat and fit the european 50 mm rigid pipes. They come with four types of different jet's at a low price.  

Specially indicated for installations with In-Floor Cleaning and Circulation Systems because of their "Down Jet" feature, that can send the water in the direccion it need it. Part of the Smart Filtration System which provide big savings in Fresh Water, Electricity costs and Chemical Products.

More details on "Aquadaptor" page.