Septic Products

Tuf-Tite® Riser for 16×16 Distribution Box (B4 Series)

The Tuf-Tite® Riser for 16×16 Distribution Box (B4 series) provides a dependable solution for extending larger distribution boxes to grade. Made from durable polypropylene and featuring a reinforced ribbed construction for added rigidity and structural integrity, They can be stacked in 6″ increments to achieve depth requirements.

Product Details:
  • Specifically designed for use with Tuf-Tite® B4 Series Box
  • Dimensions: 16″ x 16″ providing 6″ of elevation per riser. Stackable up to 3′
  • Constructed from durable, non-corrosive polypropylene for lifetime performance
  • Ribbed design provides exceptional structural rigidity for enhanced strength
  • Stackable configuration allows for customized height adjustments
  • Compatible with corresponding 16″ x 16″ lids, including both solid lids and drain grates
  • Creates accessible inspection points at appropriate grades
  • Simple interlocking design ensures secure connection to distribution box
  • UV-stabilized for long-term underground durability
  • Non-corrosive material ensures permanent performance in septic environments
Part Numbers:
  • B4-RIS Riser for B4 Series (16×16) boxes
    (9 per carton)