Like the Sigma 1-16, the Sigma 1-16K refrigerated centrifuge is extremely easy to use with its motorized lid lock and has a durable, low-maintenance stainless steel bowl. The Sigma 1-16K also features a fan control that adjusts the fan speed according to the necessary cooling capacity, making it up to 60% quieter and reducing power consumption. At maximum speed the Sigma 1-16K reliably achieves +4