The Beverage-Air 203-131A capillary tube is a replacement part that is suitable for use with compatible Beverage-Air coolers, glass frosters, and reach-in refrigerators to meter the flow of refrigerant. The capillary tube fits Beverage-Air models GF24, PRF12-12, and SF34. It has an inside diameter (ID) of 0.042" and an outside diameter (OD) of 0.092" and measures 96" long. This replacement part is approved by the original equipment manufacturer (OEM).