HE40-16X21.5X1 Purolator Pleated Filter Custom 16x21.5x1 1957787

The Purolator Hi-E 40 HE40-16X21.5X1 pleated air filter is engineered for HVAC systems requiring medium-efficiency filtration within commercial, institutional, and residential air handling units. Constructed with high-strength beverage board frames and synthetic media, the filter provides stable pressure drop performance and uniform particle retention. It is suitable for applications demanding mechanical integrity under variable air volume and temperature conditions.

Technical Specifications

• Manufacturer: Purolator Air Filtration
• Model Number: HE40-16X21.5X1
• Part Number: 1957787
• Series: Hi-E 40
• Product Type: Pleated Panel Air Filter
• Nominal Size: 16 in (W) × 21-1/2 in (H) × 1 in (D)
• Actual Size: As manufactured, tolerance ±1/8 in per Purolator specification
• Filter Media: Non-woven synthetic fiber, electrostatically charged
• Media Support: Expanded metal grid, bonded to downstream side
• Frame Material: Moisture-resistant beverage board
• Efficiency Rating: MERV 8 per ASHRAE 52.2
• Initial Resistance: 0.25 in w.g. at rated airflow
• Temperature Limit: 225°F (107°C) maximum operating temperature
• Recommended Airflow: Up to 500 fpm (feet per minute)
• Application: HVAC return and supply air filtration
• Construction: Mechanically pleated with adhesive-sealed perimeter
• Compliance: ASHRAE Standard 52.2 and UL 900 classified

Summary

The Purolator Hi-E 40 HE40-16X21.5X1 pleated air filter delivers MERV 8 efficiency for particulate removal in professional HVAC applications. Built with a rigid moisture-resistant frame and durable synthetic media, it maintains consistent performance under rated airflow and temperature conditions. Suitable for contractors specifying medium-efficiency filtration in commercial, light industrial, or residential air handling systems requiring reliable mechanical filtration integrity.