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The NORDIC PURE 20x20x1PolyGreen-6 is a polyester-based MERV 6 air filter designed for residential and light-commercial HVAC systems. Sold in a 6-pack, each filter carries a nominal size of 20x20x1 inches and an actual size of 19.5 x 19.5 x 0.75 inches for a precise fit in standard filter slots. The MERV 6 rating means the filter captures common airborne particles including dust, pollen, and lint, making it a practical choice for routine system protection. HVAC technicians and service professionals install these filters as part of regular preventive maintenance schedules.
These filters are suited for forced-air residential HVAC systems, including central air handlers and furnaces that accept a 20x20x1 filter. The eco-conscious polyester construction is manufactured in the USA, supporting domestic production while delivering dependable filtration performance. The 6-pack format is practical for service routes where technicians stock multiple units per stop, reducing return visits. They are also appropriate for office and light-commercial air handling units that share the same nominal filter dimension.
Designed as a drop-in replacement for standard 20x20x1 filter slots in residential and light-commercial forced-air HVAC systems.
Installation should be performed by a qualified HVAC technician or trained service professional. Always shut down the air handler or furnace at the disconnect or thermostat before opening the filter compartment. Confirm airflow direction marked on the filter frame aligns with the direction of airflow in the duct or unit. Replace filters on a schedule consistent with system load and indoor air quality conditions.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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