12" x 24" x 2" Replacement Air Filter, Pleated, Merv 8

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

The Purolator Hi-E® 40 Series Pleated Air Filter (Model HE40-12X24X2) is a medium-efficiency HVAC filtration component engineered for commercial and industrial air handling applications. Constructed with a rigid, moisture-resistant beverage board frame and 100% synthetic hydrophobic media, the Hi-E® 40 provides consistent particulate control and reliable airflow performance. Rated at MERV 8 per ASHRAE 52.2, this filter is designed for use as a primary air filter or as a prefilter in multi-stage air systems operating under variable humidity and temperature conditions.

Technical Specifications

• Product Code: HE40-12X24X2
• Manufacturer: Purolator
• Series: Hi-E® 40
• Model: HE40-STD2
• Nominal Size: 12 x 24 x 2 inch
• Actual Dimensions: 11-3/8 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: 1000 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 designed for structural stability
  • Mechanically bonded pleated media ensures consistent airflow and uniform dust loading
  • Optimized pleat spacing for reduced resistance and improved dirt-holding capacity
  • Non-corrosive, moisture-resistant materials suitable for humid and variable-temperature environments
• Applications:
  • Commercial HVAC and air handling systems
  • Industrial ventilation and filtration systems
  • Institutional and healthcare environments
  • Prefilter applications in multi-stage air filtration assemblies
• Installation Orientation: Install with airflow arrow aligned to system flow direction
• Compliance: ASHRAE 52.2; UL 900 Classified

Professional Summary

The Purolator Hi-E® 40 MERV 8 Pleated Air Filter offers HVAC professionals a dependable, medium-efficiency solution for systems requiring consistent particulate removal and long-term performance stability. Its synthetic hydrophobic media maintains integrity under moisture exposure and variable operating conditions, while the rigid beverage board frame provides mechanical strength and resistance to flexing. Designed for both standalone use and multi-stage configurations, the Hi-E® 40 delivers predictable pressure drop, stable airflow, and reduced maintenance intervals, supporting efficient operation in commercial and industrial air handling systems.