Boitier Phanteks Eclipse P300 tempered white glass. Tempered glass black/red Material: Aluminium Steel. Front located before: 2 x 140 mm fans support fan diameter: 140 mm, 120. The new eclipse P300 continues to set new standards in quality for budget-friendly enclosures. It introduces an all new framework that further enhances clean interior and exterior design with intutive and convenient installation. With the highest build quality in its class,featuring a full metal exterior and tempered glass side panel, the P300 is everything you need to build your perfect system.