Pro-source PRO21616 Pleated Air Filter 24x24x4 Merv 13

Product Description

The PRO-SOURCE PRO21616 is a mini-pleat pleated air filter rated MERV 13, designed for commercial and residential HVAC air-handling systems requiring high-efficiency particulate filtration in a 4-inch-depth housing. The synthetic media and plastic frame construction deliver an initial resistance of 0.22 inches w.g. at 375 FPM, rising to 0.48 inches w.g. at 625 FPM, making it a reliable choice for systems that demand consistent airflow performance without rapid pressure-drop buildup. At a maximum airflow of 2,500 CFM and a rated face velocity of 625 FPM, this filter suits medium to large air-handling units where balanced filtration efficiency and low static pressure are both priorities. HVAC technicians and mechanical contractors install this filter as part of routine maintenance or system upgrades.

This filter fits standard 24 x 24 x 4 inch filter housings found in rooftop units, air-handling units, and built-up systems in commercial office, healthcare, educational, and light-industrial environments. The MERV 13 rating captures fine particulates including dust, pollen, mold spores, and certain airborne droplet nuclei, making it appropriate for facilities with indoor air quality requirements or where occupant health standards apply. Its mini-pleat design maximizes media surface area within the 4-inch depth, supporting longer service intervals compared to standard pleated filters in the same size class.

Key Features

• MERV 13 filtration rating for high-efficiency particulate capture
• Mini-pleat synthetic media maximizes surface area within a 4-inch-depth frame
• Plastic frame construction resists moisture and maintains structural integrity under airflow load
• Integrated frame design ensures consistent seal within the filter housing
• Low initial resistance of 0.22 inches w.g. at 375 FPM supports efficient system operation
• UL 900 listed for fire safety compliance in air-handling applications

Compatibility

Designed as a direct-fit replacement for standard 24 x 24 x 4 inch filter housings in commercial and residential air-handling units requiring MERV 13 mini-pleat media.

Installation Notes

Installation is performed by licensed HVAC technicians or qualified mechanical contractors. Always shut down the air-handling unit and verify the system is de-energized before opening the filter access panel. Confirm the housing accepts a nominal 24 x 24 x 4 inch filter; actual dimensions are 23.38 x 23.38 x 3.75 inches, which is standard for this nominal size class. Seat the filter firmly so all four edges contact the housing frame, eliminating bypass paths that reduce filtration effectiveness.