Models View all EK Water Blocks EK-FB ASUS Crosshair 4 12 73 0 Bitspower Fittings 22 274 2 Koolance RP-401X2 Single 5.25in Reservoir 1-2 PMP-400 Pumps Rev. 1.1 1 34 0 TT Thermaltake Riing 120 & 140 mm Fan 58 1265 1 Koolance RP-452X2 Dual 5.25in Reservoir for 1-2 PMP-450S Pumps Rev. 2.0 21 80 2 Koolance HXP-135 Compact Plate Heat Exchanger 15 228 0