Air Filter Highlight: DP-green® 13

The DP-green® 13 pleated air filter is a high-efficiency option designed for commercial and institutional HVAC systems where top-tier filtration, sustainability, and durability are essential. Rated at MERV 13, this extended surface filter provides outstanding particulate removal and may contribute toward LEED certification for green buildings.

Available in 1-inch, 2-inch, and 4-inch thicknesses, the DP-green® supports air flow rates from 210 to 2,170 CFM, making it versatile across a wide range of system demands. Whether you’re outfitting a university, government facility, healthcare building, or retrofitting an older system for higher air quality, this filter fits the bill.

At the heart of the DP-green®’s performance is its 100% synthetic media, engineered to resist moisture, mold, and damage—critical for facilities battling high humidity or fluctuating conditions. This media maintains its MERV 13 efficiency even under full load, having passed independent testing to ASHRAE 52.2-2012 standards.

The filter also meets the minimum efficiency criteria for LEED projects, making it a smart choice for sustainability-focused building owners.

A diagram showing the construction and features of the DP-green 13 filter by Purolator.

What truly sets this filter apart is its robust construction. The heavy-duty beverage board frame is moisture-resistant and built to handle rough installation and service environments.

A two-piece, die-cut design creates a double-wall outer edge for added strength, while diagonal cross members and galvanized steel pleat support reinforce the media pack from the inside out. Each pleat is bonded and sealed to resist fluttering, collapsing, or warping during operation—even in damp conditions.

Pleat consistency is another hallmark of the DP-green®. Sophisticated manufacturing ensures uniform pleat height, spacing, and shape, resulting in even dust loading, lower resistance, and longer service life. In other words, your HVAC system doesn’t have to work as hard to move air—translating into better energy efficiency over time.

From a performance standpoint, the DP-green® strikes a solid balance between airflow and filtration. The synthetic media offers low pressure drop and high dust-holding capacity, making it ideal as both a primary filter in clean-air applications or a secondary filter in layered filtration systems.

As a UL Class 2 air filter, it meets strict flammability standards (UL 900), and its temperature rating of up to 200°F (93°C) makes it reliable in more demanding applications.

Ultimately, the DP-green® 13 pleated filter is more than just a high-efficiency filter—it’s a durable, sustainable solution for maintaining indoor air quality while optimizing HVAC performance. Proudly made in the U.S.A., it’s a smart, eco-conscious choice for building operators who want long-term value without sacrificing performance.