Standard specification TXDOT V-1418 1814 cast iron 24″ ring & cover with TXDOT LOGO & lettering. Typically used in curb inlet installations that are not in traffic. Uncoated cast gray iron, ASTM A48 CL35B or better, AASHTO M306-10 (M105). Sold as a set or as individual rings & lids. Other lettering may be available on special orders. Made in USA. LEED® certifications available on request. Please use the Contact Form or call us to request info & submittal sheets