Central Montana Panels LLC 1105 Truck Bypass , Lewistown , 59457 Montana, USA About Solutions products Companies Central Montana Panels LLC Products Standard Duty Panels Standard Duty Panels 0 Share Standard Duty Portable Panels are built of 1 1/4' 14 gauge pipe with 5/8' rod vertical stays. Great for low pressure use. Customer reviews No reviews were found for Standard Duty Panels. Be the first to review! Add your review Publish your review Great! review successfully added!