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Everything should be on the BB when it's slid into the frame (Back of BB)
4 80mm fans
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Intake:
6 Parts: Two adapters on edges w/med density mesh, Two base pieces on the bottom with fans attached, Two cover pieces on top. 4in ducts on either side.
Base and cover pieces will be on the BB when sliding BB into frame (Top of BB)
4 80mm fans
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