Description Adapter with one 2-1/2″ hose outlet fits directly on the MaxAir 10 unit case for easy installation and connecting to vent duct hose. Slides over blower assembly and held in place by a screw. Rectangular end inner measurement 4-1/4″ x 3-1/2″ Rectangular end outer measurement 4-1/2″ x 3-11/16″ Optional items: flexible 2-1/2″ duct hose AC1024 and our 2-1/2″ Hose Adapter “Y” AC1755.
