PCI Filtration Services sells and installs top-quality HVAC air filters, and air filters for all types of equipment and processes. We also sell and maintain grease filters for restaurants and facilities with commercial kitchens. We service customers throughout metro-St. Louis and within 125 miles of St. Louis. We do product evaluations and consult with our vendors (we will have lab tests performed, if necessary) to determine the proper filters for your equipment. This includes older and custom-made equipment, or any non-standard sizes. Our customers include commercial buildings, apartment buildings and complexes, condominiums, hospitals, universities, school districts, senior-care facilities, corporate campuses, manufacturers and industrial processors. We also provide support services to HVAC and mechanical contractors.