This replacement is the rear mount 400 CFM axial blower that fits on Travis Industries stove models, but may also fit other manufacturers and models based on size and shape

This is an optional rear blower that pushes heater air into the room

Measurements: 13½" Diameter 

Replaces part # 99000143

Installation Instructions 

As per this manufacturer's policy, we cannot sell parts provided by Travis Industries, outside of our selling territory in New England