Air Distribution Blower for Harman Accentra Insert, and Invinsible Insert. Beware of knock off parts. The item "Harman Pellet Stove Blower for Accentra Insert, Invinsible Insert # 3-21-47120" is in sale since Friday, August 16, 2019.This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Fireplaces & Stoves\Replacement Parts". The seller is "stovept" and is located in Manville, Rhode Island. This item can be shipped to United States.