Rittal Series SK Fan Filter, 167x167x21mm, Polyester Filter - 3181125 This high-quality pleated panel filter is designed for efficient air filtration in various systems. With dimensions of 167x167x21mm, the polyester air filter enhances airflow compared to traditional chopped-fibre mats, improving cooling unit performance while lowering energy consumption. This results in cleaner enclosures, extended maintenance intervals, and reduced service costs. Features & Benefits • Pleated structure increases volumetric airflow
• Longer service intervals minimise maintenance costs
• Polyester material ensures effective dust filtration
• Lightweight design allows for easy installation and replacement Applications • Used with fan-and-filter units
• Ideal for roof-mounted fans and cooling units
• Compatible with chillers in industrial environments
• Designed for integration in HVAC systems Is it suitable for outdoor applications? Yes, it has an IP55 rating for protection. What materials are used in the filter? The pleated filter is made from polyester and meltblown polycarbonate, while the absorber mat is composed of 100% polyester for optimal filtration and absorption.