Underground extension for Quick Drain Riser.
- Twist-style underground section is available in 6" size and is a two-piece section with height adjustment range of 28"–40".
- Fits most 6" tees and risers, with no cutting required.
- Exterior portion has 1/4" x 1" slots; interior portion has 5/16" slots.
- Exclusive "open undercuts" allow for additional subsurface drainage.
- Constructed of UV-stabilized polypropylene.
- All intakes require periodic maintenance.