Equipped with a total of five G1/4 threaded connection ports A total of sixteen 2mm-wide copper tubes across the entire radiator length assure optimal coolant flow, putting no stress on your cooling loop To maximize cooling performance, a Push/Pull setup can be utilized on any P Series eK-Quantum Surface radiator. High-grade non-louvered copper fins with 18 FPI density provide the best balance between thermal transfer and air resistance. equipped with a total of five G1/4' threaded connection ports To maximize cooling performance, a Push/Pull setup can be utilized on any P Series EK-Quantum Surface radiator.