Hotend Cooling Fan – A1 Series $11.99 Out of stock SKU: BBL-41271624990856 Categories: Parts, Parts Description Description Related products Filament Sensor Base – A1 Series $2.99 Add to cart Toolhead Rear Housing – A1 Series $2.99 Add to cart Filament Sensor – A1 Series $4.99 Add to cart Supportive Footpad – A1 $3.99 Add to cart