840556082484$49.95Add-Fan: NONENoctua NF-P12 Vortec Controled Pressure Optimized 120mm 1300 RPM 19Dba 55(CFM)(+20.95)Noctua NS-F12-S12 Sound Optimized Blade Geometry 120mm 1200 RPM 17Dba 48(CFM)(+19.95)Noctua NF-S12 Sound Optimized Blade Geometry 120MM 800 RPM 8Dba 35(CFM)(+19.95) Add-Dust-Filter: NONEFansis Dust & Dirt Prevetion Reusable & Washable Filter Fan Grill Combo(+6.95) Add-Noise-Gasket: NONEAcousti ULTRA Soft Silicone Polymer 120mm Fan Anti-Vibration Gasket(6.95)