MERV 1–4 HVAC Filters (9)

MERV 1–4 HVAC filters are the most economical option for protecting heating and cooling systems. Often referred to as basic panel or fiberglass filters, these filters are designed primarily to trap larger particles such as dust, lint, and debris — helping keep coils, fans, and blowers free from buildup. While they offer minimal impact on indoor air quality, MERV 1–4 filters are widely used in residential, commercial, and industrial systems where system protection and maximum airflow are the top priorities.

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