exhaust hoods, acoustic panels, damper regulators, control unit dampers, loft access doors, exhaust systems, axial fans, cabinet cooling fans, industrial fans, filters, fire dampers, grilles, heating ventilation and air conditioning (hvac) system design, heating diffusers, air conditioning (ac) louvers, air handling flexible ducting available from f.c. clifford, inc. based in baltimore, md. click the links below to visit our website or contact us via our profile page.