Septic Products

Tuf-Tite® 4-Hole Distribution Box

The Tuf-Tite® 4-Hole Distribution Box (Series B1) provides a permanent solution for balanced effluent flow distribution in septic system applications. Designed with a configuration of four connection points and precision flow control. Features patented snap-in pipe seals to create pliable, watertight connections.

Product Details:
  • Manufactured from injection-molded, UV-stabilized, and non-corrosive polypropylene for exceptional strength and lifetime durability in septic environments
  • Easy installation on level virgin soil without concrete slab required
  • Includes choice of Regular Lid or Inspection Port Lid
  • Includes choice of S-35 (yellow) pipe seals for all 4” pipe, or S-85 (orange) universal plug for unused holes/pipe fitting for pipe up to 4″
  • Dimensions: 11″ x 11″ x 15½” with a 2″ drop from inlet to outlet
  • Compatible with Tuf-Tite® Series B1 Risers for extending to grade in 6″ increments up to 3′
Part Numbers:
  • 4HD2 4-Hole Distribution Box – Series B1
    (10 per carton, 100 per pallet)