The copper core HX-CU720V provides an approximate 700W of added heat dissipation when coupled with two 120mm fans. With a high fin density of 30 FPI (fins per inch), it offers best performance at higher air flow. Vertical (perpendicular) G 1/4 BSP threaded nozzle sockets, nozzles not included. 30mm (1.18") long mounting screws are included. Dual pass, brass pipes, 15mm (0.59") fan hole spacing. Overall dimensions 4.7" x 1.18" x 10.87".