Spec-Check

Spec-Check® (patent pending), developed by Presby Environmental, is a portable, hand-operated device used for sorting/grading a sample of aggregate, sand, silt or other particulate material in order to determine whether a sample meets the septic sand specification for an intended use.

Our Products

Endcaps

4" Internal Coupler

3" Internal Coupler

EZflow Septic System

Building a Garden Wall

A garden wall is a valuable addition to your home that offers…

Know the Parts of a Septic System

Septic systems are an alternative to sewer systems in areas where traditional…

The Art of Retaining Walls & Sitting Walls

Retaining walls and sitting walls are often thought to be the same…

What is a Sitting Wall?

A sitting wall, as the name suggests, is a low wall that…