This is an adapter so that the stock 4010 fan can be used in the upgraded fand ducts. The fan connection wires still need to be extended. Hardware required: Countersunk Flat head screws 2 x M3 4mm 4 x M3 18 or 20 mm A little glue to seal the joint between the two parts. This is made to work with any of Fan Ducts listed below https://www.printables.com/model/483474-sovol-sv06-fan-duct-5015-blower-fan-v3 https://www.printables.com/model/459593-sovol-sv06-fan-duct-5015-blower-fan
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