Size: 4 inch (Approx. 120mm x 120mm)
Shape: Square
Material: ABS Plastic or Powder-Coated Metal
Color: Commonly Black or Grey
Mounting: Screw holes or clip-on type
Compatible Fan Size: 120mm axial fans
Protects fan blades from foreign objects
Prevents accidental contact (finger-safe design)
Allows free and unobstructed airflow
Strong and heat-resistant construction
Corrosion-resistant (metal versions)
Lightweight and easy to install
Electrical panels and distribution boxes
Industrial automation equipment
Power supplies and inverters
CNC machines and control cabinets
Network and server enclosures
HVAC units
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