- Box only
- Coloring and UV stabilizers are added, along with processing lubricants when needed
- Single inlet and outlet
- The 13 in. x 20 in. tapered body has a minimum wall thickness of .25 in.
- The body has a double wall at the top cover seat area with a minimum thickness of .25 in.
- The bottom of the body has a .50 in. flange
- The cover seat area has 16 structural support ribs on the underside of the seat each with a minimum thickness of .250 in.
National Diversified Sales 20 in. Jumbo Box in Black
Length: Please select
- Color Finish
- 12 in
- 25-3/4 in
- Material Type
- 19 in