24" x 24" x 2" Replacement Air Filter, Pleated, Merv8

Purolator Hi-E® 40 Pleated Air Filter – Technical Product Information

The Purolator Hi-E® 40 Series Pleated Air Filter (Model HE40-24X24X2) is a medium-efficiency filtration component engineered for commercial, industrial, and institutional HVAC systems. Designed for consistent particulate removal and low pressure drop, the Hi-E® 40 utilizes a rigid beverage board frame and 100% hydrophobic synthetic media to maintain mechanical integrity and filtration performance under variable environmental conditions. Rated at MERV 8 per ASHRAE 52.2, this filter is suitable for use as a primary air filter or as a prefilter in multi-stage air handling systems requiring stable, medium-efficiency performance.

Technical Specifications

• Product Code: HE40-24X24X2
• Manufacturer: Purolator
• Series: Hi-E® 40
• Model: HE40-STD2
• Nominal Size: 24 x 24 x 2 inch
• Actual Dimensions: 23-3/8 inch (Width) x 23-3/8 inch (Height) x 1-3/4 inch (Depth)
• Available Depths: 1", 2", and 4"
• Media Type: 100% Synthetic, Un-dyed, Hydrophobic
• Media Color: White
• Frame Material: Moisture-Resistant Beverage Board
• Performance Rating: MERV 8 (per ASHRAE 52.2)
• Airflow Capacity: 2000 CFM (Cubic Feet per Minute)
• Initial Resistance: 0.29 in. wg @ rated airflow
• Final Recommended Resistance: 1.0 in. wg
• Average Dust Spot Efficiency: 35–40%
• Average Arrestance: Approximately 95%
• Maximum Operating Temperature: 225°F (107°C)
• Construction Features:
  • Rigid die-cut beverage board frame provides structural stability under variable system loads
  • Mechanically bonded pleated media for uniform airflow and reduced bypass
  • Optimized pleat spacing to balance dust-holding capacity with pressure efficiency
  • Non-corrosive, moisture-resistant components suitable for high-humidity and variable-temperature environments
• Applications:
  • Commercial HVAC and air handling systems
  • Industrial process ventilation
  • Institutional, healthcare, and educational facilities
  • Prefilter use in multi-stage filtration assemblies
• Installation Orientation: Install with airflow arrow aligned to system direction
• Compliance: ASHRAE 52.2; UL 900 Classified

Professional Summary

The Purolator Hi-E® 40 MERV 8 Pleated Air Filter provides a durable, professional-grade filtration solution designed to meet the requirements of commercial and industrial air handling systems. Its hydrophobic synthetic media maintains performance stability in humid environments and resists fiber shedding or degradation under high airflow. The reinforced beverage board frame offers rigid structural support, ensuring mechanical reliability and uniform air distribution throughout service life. Engineered for long-term performance, the Hi-E® 40 minimizes system pressure drop while delivering dependable medium-efficiency particulate control in demanding HVAC applications.