NDS Valve Box Covers 117C Jumbo Valve Box Overlapping Cover

NDS JUMBO RECTANGULAR OVERLAPPING COVER ONLY:

The NDS STANDARD SERIES 13"X20" rectangular valve boxes overlapping covers prevent dirt and grass from settling between body and cover. UV inhibitors are added to prevent discoloration and deterioration; such as cracking or blistering.

• 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 cover seat shall have 16 structural ribs on the underside of the seat, each with a minimum thickness of .250"
• The 13"X20" cover shall have a average thickness of .250"