4020 DC 40mm Ventola di Raffreddamento Silenziosa 12V 2Pin Brushless Silenziosa per PC Computer Case
Size: 40mm × 40mm × 20mm. Maintenance: Clean the fan dust regularly to avoid dust buildup affecting the cooling effect and fan life. Compact size: suitable for devices with limited space. 20: Indicates that the thickness of the fan is 20 mm.