21.5 Inch Vertical High Brightness Open Frame Industrial Monitor Panel with Passive J4125 Cooling Premium Frame Construction: Sandblasting + hard anodizing process provides superior surface durability Hard anodizing creates a thicker, more wear-resistant oxide layer than standard anodizing UV-protection and anti-discoloration treatment ensure long-term aesthetic integrity IP65 waterproof front panel maintains protection standards Display Performance: Industrial-grade LCD with