Our Pro Series valve boxes were designed for the professional contractor and heavy-duty use， and offer superior strength for non-residential and utility applications. Thicker wall dimensions for increased strength and durability， Reinforced covers for heavier loads， Reinforced ribs offer exceptional sidewall strength， Stainless steel nut on boxes for bolt-down capability， Overlapping covers prevent dirt and grass from settling between body and cover Our Pro Series valve boxes were designed for the professional contractor and heavy-duty use， and offer superior strength for non-residential and utility applications. Thicker wall dimensions for increased strength and durability， Reinforced covers for heavier loads， Reinforced ribs offer exceptional sidewall strength， Stainless steel nut on boxes for bolt-down capability， Overlapping covers prevent dirt and grass from settling between body and cover.

• Brand Name: NDS
• Width: 21 in.
• Height: 6.75 in.
• Shape: Rectangular
• Product Type: Valve Box Extension
• Color: Black
• Material: Plastic
• Number in Package: 1 pc
• Depth: 13.25 in.
• Weight: 4 lb.