Infusion Pool Products V-Fitting is a venturi driven swimming pool return line fittings for 1.5 lines. V-Fittings are ANSI/APSP/ICC-15 compliant. V-Fittings venturi technology deep heats while drastically enhancing circulation, improving chemical disbursement and reducing energy consumption. Deep heating highly compliments the effectiveness of solar pool covers and solar systems. Save time, money and energy by simply replacing your standard eyeball swimming pool return line fittings today! V-Fittings 60 degree venturi deep heats by drawing warmer surface water through strategically placed louvers thrusting it to the floor of the pool creating a cleaner, easier to service swimming pool. V-Fittings have no moving parts and simply attach, by hand, to 1.5 inch threaded wall return line inlets worldwide. Go Green while saving money and improving water quality for the life of the pool!