This round valve boxes and covers are injection molded of recycled polyolefin material with a melt index between 10-12. Coloring and UV stabilizers are added, along with processing lubricants when needed. The 6" round body shall be tapered and have a minimum wall thickness of 0.130". The body shall have a double wall at the top cover seat area with a minimum thickness of 0.125". The bottom of the body shall have a 0.250" flange. Average thickness of 0.150"• Color: Black• 6" round body• Covers are identified with ICV (Irrigation Control Valve) designation, unless otherwise specified• The bayonet twist-on cover ensures easy removal on 7" and 10" round covers• Stainless steel nut on boxes for bolt-down capability• Overlapping covers, bolt-down capability on boxes• Application: Non-Residential, Residential• Made in the USA.