NDS D109-GL6" in. Econo Round Overlapping (COVER ONLY) NDS 6" in. round valve 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" in. round cover shall have an average thickness of .150".
|Size||6 in. Round|