Shop › Arctic 1 Arctic Main Switch (On/Off Rotary CAM Switch Lovato GX1691U) Image 1 of 1 Arctic 1 Arctic Main Switch (On/Off Rotary CAM Switch Lovato GX1691U) $39.00 Arctic Main Switch (On/Off Rotary CAM Switch Lovato GX1691U) for Arctic 1 whole-body cryotherapy chamber(s). Purchase Added! Arctic Main Switch (On/Off Rotary CAM Switch Lovato GX1691U) for Arctic 1 whole-body cryotherapy chamber(s).