Advanced Filtration Concepts (AFC) is a Distributor and Manufacturer"s Representative for Industrial and HVAC Air Filters. Our filters are used in applications such as Churches, Hospitals, Universities, Museums, Airports, GT Power Plants, Commercial Buildings and others. With over 12 years of experience, AFC is the largest stocking distributor of industrial air filters in Southern California and is the only air filter distributor with an innovative in-house marketing department.