AF16x20x4-M13 Merv 13 Air Filter 16x20x4

Product Description

The AF16x20x4-M13 is a MERV 13 pleated air filter designed for residential and light commercial HVAC systems. With a nominal size of 16x20x4 inches and an actual size of 15.5 x 19.5 x 3.75 inches, this 4-inch-depth filter fits a wide range of air handlers, furnaces, and return-air grilles that accept deep-media filters. MERV 13 filtration captures fine particulates including dust, pollen, mold spores, pet dander, and fine particles such as smoke and smog, making it appropriate for environments where improved indoor air quality is a priority. HVAC technicians and service professionals install this filter as a direct drop-in replacement during routine maintenance visits.

This filter is suited for residential forced-air systems and light commercial applications where a 16x20x4 filter slot is present. The 4-inch media depth provides extended filter life compared to 1-inch and 2-inch alternatives, reducing changeout frequency. Compatible equipment includes air handlers and furnaces with return-air filter cabinets or media filter housings designed to accept a nominal 16x20x4 filter. This filter is sold in a quantity of 10 per order, making it practical for service fleets and property maintenance programs.

Key Features

• MERV 13 rated filtration captures fine particulates including smoke, smog, and fine dust particles
• 4-inch media depth extends service life compared to standard 1-inch filters
• Nominal size 16x20x4 inches; actual size 15.5 x 19.5 x 3.75 inches for accurate fit verification
• Pleated media construction increases surface area for improved particle capture and airflow balance
• Sold in a case of 10 filters, reducing per-unit cost for service contractors

Compatibility

Designed as an OEM-style replacement for residential and light commercial HVAC systems equipped with filter cabinets or media housings that accept a nominal 16x20x4 inch deep-media filter.

Installation Notes

Filter installation should be performed by a qualified HVAC technician or knowledgeable service professional. Always shut down the air handler or furnace at the disconnect or thermostat before opening the filter cabinet. Verify airflow direction arrows on the filter frame align with system airflow direction before seating the filter. At MERV 13 filtration levels, check static pressure drop periodically to confirm the filter is not restricting airflow beyond equipment manufacturer tolerances.