E3D Revo Replacement Springs

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These retention springs clip onto your Revo HeaterCore on one side, before connecting to any Revo-compatible cold side on the other – including the Revo Micro, Revo Six, and Revo H emera. The spring keeps the HeaterCore firmly attached to the cold side, while pushing it into the nozzle for improved thermal conductivity. This is a 3 pack of springs Show more