Distribution Box Sizes

Type of Dist. BoxDimensions
4-Hole Dist.(12″ Sq. x 14 1/2″ H.)
4-Hole Drop (15″ Sq.)
6-Hole Regular or Drop with Baffle (15″ Sq.)
9-Hole Dist. with or without Baffle (13″ H.)
15-Hole with Inlet Baffle (17 1/2″ H. x 16 1/4″ W. x 51″ L.)

A septic distribution box is a container used to receive septic system effluent from a septic tank and to re-distribute the effluent into a network of attached drain-field or soak away bed absorption trenches & pipes.