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Rensa ENDUREX HD 20x25x4 Air Filters MERV 9 (REXHD2025411)

Heavy Duty High Capacity Pleat

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Filter Description

The Rensa ENDUREX HD 20x25x4 pleated air filter sets a new standard in filtration technology with a MERV 9/9A efficiency. Designed to protect HVAC coils and ductwork, this filter captures a broad range of airborne particles while maintaining a low airflow resistance. The balance created between air quality and system efficiency helps reduce energy costs and extends the lifespan of HVAC equipment.

High-Performance MERV 9/9A Filtration

The Rensa ENDUREX HD 20x25x4 is engineered with MERV 9/9A filtration, designed to achieve a perfect balance between capturing a wide spectrum of airborne particles and maintaining efficient airflow. This high level of filtration ensures optimal protection for HVAC coils and ductwork from particulates, which enhances system performance and air quality. By optimizing air flow and particle capture, the ENDUREX HD significantly extends the lifespan of HVAC systems and reduces energy costs, making it an ideal solution for maintaining healthy indoor environments.

Maximum Service Life

This filter is engineered for longevity, providing one of the longest service lives available in the market. This durability translates into fewer replacements, lower maintenance costs, and substantial energy savings over time. With its advanced construction and high-quality materials, the ENDUREX HD ensures that your HVAC systems run more efficiently for longer periods, making it a wise investment for those prioritizing long-term performance and cost-effectiveness.

Reduced Pressure Drop Compared to Similar Filters

The mechanical synthetic media of the ENDUREX HD 20x25x4 reduces the initial pressure drop by more than 30% compared to other leading products. This not only improves efficiency but also lessens the strain on HVAC systems, leading to lower operational costs and energy savings.

Durable Construction for Challenging Environments

The Rensa ENDUREX HD 20x25x4 is constructed with the heaviest high wet-strength board frame and 2x thicker wire, making it exceptionally durable and capable of withstanding challenging conditions like high flow rates, turbulent airflow, extreme weather, and high moisture environments. This robust build ensures that the filter excels in commercial and industrial settings requiring reliable performance without frequent replacements. Its comprehensive design is tailored for optimal performance across a range of demanding applications, ensuring sustained air quality and system efficiency.

Endurex airflow resistance chart

Sustainable Air Quality Management

With its high dust-holding capacity, the ENDUREX HD 20x25x4 captures and retains significant amounts of particulate matter, extending the time between maintenance intervals and enhancing overall air quality. It represents a smart investment in both performance and sustainability.

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