Hammond 4.7″ Metal Fan Guard

The Hammond 4.7″ Metal Fan Guard (DNFG Series) is a durable, safety-focused accessory designed to protect personnel and equipment from exposed fan blades in rack cabinets, enclosures, and industrial systems. Built specifically for 120mm (4.7″) axial “muffin” fans, this guard provides a secure barrier without restricting airflow.

Constructed from steel wire with a chrome or nickel-plated finish, the guard delivers long-lasting durability while maintaining a clean, professional appearance. It features standard 105.85mm mounting centers, ensuring compatibility with most 120mm fan setups.

The DNFG guard also includes mounting hardware, making installation quick and straightforward for both new builds and retrofits. Designed to optimize airflow while improving safety, it helps prevent accidental contact with spinning fan blades and reduces the risk of cable interference.

Key Features

• Designed for 120mm (4.7″) axial fans
• Steel wire construction with protective plated finish
• Standard 105.85mm mounting pattern for universal compatibility
• Includes mounting hardware for easy installation
• Improves safety and airflow management
• Compact and lightweight (~0.2 lbs)
• RoHS and REACH compliant

The Hammond 4.7″ Metal Fan Guard (DNFG) is a simple but critical component for safe and professional cooling system installations. It provides reliable protection, universal compatibility with 120mm fans, and minimal airflow restriction, making it a must-have for racks, enclosures, and industrial setups.

If you’re installing or maintaining fan systems, this is the correct safety accessory—not optional if you want a clean, compliant install.