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. 30mm (1.18) long mounting screws are included. Dual pass, 15mm (0.59) fan hole spacing. Specifications Model HX-CU720V Materials Copper Fins, Brass Pipes Tubing Size, ID (Any) Product Dimensions WxHxD 4.7 x 1.18 x 10.87 (12cm x 3cm x 27.6cm) Product Weight 1.3 pounds (590g) General Weight 1.30 lb (0.59 kg) Dimensions 10.87 x 4.70 x 1.18 in (27.61 x 11.94 x 3.00 cm) Diagram - hx-cu720v_d0.gif Diagram - hx-cu720v_o0.gif Diagram - hx-cu720v_o1.gif Diagram - hx-cu720v_o2.gif Diagram - hx-cu720v_o3.gif