Purolator Hi-E 40 Pleated Air Filter – Technical Product Information
The Purolator Hi-E 40 Series Pleated Air Filter is a medium-efficiency filtration element engineered for commercial and industrial HVAC systems. Constructed with a moisture-resistant beverage board frame and a 100% hydrophobic synthetic media, the Hi-E 40 provides consistent performance in both constant and variable air volume applications. Designed for extended service intervals and compatibility with standard filter racks, this MERV 8-rated filter offers stable differential pressure and reliable particulate removal for professional air handling and mechanical system environments.
Technical Specifications
- Product Code: HE40-15X25X1
- Manufacturer: Purolator
- Series: Hi-E 40
- Model: HE40-STD1
- Nominal Size: 15 x 25 x 1 inch
- Actual Dimensions: 14-1/2″ x 24-1/2″ x 3/4″ (nominal tolerance)
- Media Type: 100% Synthetic, Un-dyed, Hydrophobic
- Media Color: White
- Frame Material: Beverage Board, Moisture Resistant
- Filter Depth: 1 inch
- Initial Resistance: 0.27 in. wg at rated airflow
- Final Recommended Resistance: 1.0 in. wg
- Rated Temperature Limit: 225°F (107°C)
- Performance Rating: MERV 8 per ASHRAE 52.2
- Average Dust Spot Efficiency: 35–40%
- Average Arrestance: Approximately 95%
- Application: Suitable as a primary filter or as a prefilter in multi-stage HVAC filtration systems
- Available Depths: 1″, 2″, and 4″ (various standard face sizes)
Professional Summary
The Purolator Hi-E 40 Series MERV 8 Pleated Filter provides medium-efficiency performance for professional air handling and mechanical environments requiring dependable particulate control and uniform airflow resistance. Constructed with a high-strength beverage board frame and moisture-tolerant synthetic media, the filter maintains stability in high-humidity and elevated-temperature applications. Designed for both stand-alone and prefiltration use, the Hi-E 40 supports consistent system efficiency, extended service life, and compatibility with standard commercial and industrial HVAC housings.








