Carrier KH01AA302 Intake air filter, poly fiberglass, 16x16x1", continuous filament spun glass, for use with  50BR, 50BZ Indoor Vertical Packaged Unit with Water Cooled Condenser; 50QEH Water Source Heat Pump Electronic Control Horizontal and other models, 20662441462218, 662441462214, 13801062, HS code 84213100