We have HVAC filters for industrial, commercial, and residential systems. The purpose of an AC filter is to help collect particles, dust and debris from HVAC systems to improve the quality of the air. Our air conditioner filters are constructed from a variety of materials and feature different styles for ventilation benefits. Flat air filters are for residential use and typically last up to 90 days before having to be replaced, and pleated air filters trap particles such as dust mites and pet dander. Other HVAC filters include pocket air filters that are made for industrial and commercial buildings and perform a high dust retention amount. Furthermore, our ring link panel filters are great to use for side access systems where the link can be easily inserted.