Purolator Hi-E® 40 Pleated Air Filter – Technical Product Information
The Purolator Hi-E® 40 Series Pleated Air Filter (Model HE40-16X25X4) is a medium-efficiency air filtration element engineered for commercial, industrial, and institutional HVAC applications. Designed for reliable particulate removal and low resistance to airflow, the Hi-E® 40 combines a rigid, moisture-resistant beverage board frame with 100% synthetic hydrophobic media. Rated at MERV 8 per ASHRAE 52.2, this filter maintains consistent performance in systems requiring balanced efficiency, extended service life, and mechanical durability under demanding operating conditions.
Technical Specifications
- Product Code: HE40-16X25X4
- Manufacturer: Purolator
- Series: Hi-E® 40
- Model: HE40-STD4
- Nominal Size: 16 x 25 x 4 inch
- Actual Dimensions: 15-1/2 inch (Width) x 24-1/2 inch (Height) x 3-3/4 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: 1390 CFM (Cubic Feet per Minute)
- Initial Resistance: 0.20 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 ensures mechanical strength and dimensional stability
- Mechanically bonded pleated media for consistent airflow and reduced particle bypass
- Uniform pleat spacing maximizes surface area and dirt-holding capacity
- Non-corrosive, moisture-resistant construction for use in variable-humidity environments
- Applications:
- Commercial HVAC and ventilation systems
- Industrial air handling units
- Institutional and healthcare environments
- Prefilter use in multi-stage filtration configurations
- 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 provides HVAC professionals with a reliable, medium-efficiency filtration solution engineered for long service life and stable performance. Its hydrophobic synthetic media ensures durability in high-humidity environments, while the reinforced beverage board frame maintains rigidity under system airflow pressures. Offering low initial resistance and efficient particulate removal, the Hi-E® 40 supports optimized airflow, extended maintenance cycles, and consistent operational performance in commercial and industrial filtration systems.
