PEP'S FILTERS OPERATE using a specially designed disc filter technology. Thin, color-coded polypropylene discs are diagonally grooved on both sides to a specific micron size. A series of these discs is then stacked and compressed on a specially designed spine. When stacked, the groove on top runs opposite to the groove below, creating a filtration element with a statistically significant series of valleys and traps for solids. The stack is enclosed in a corrosion and pressure resistant housing.


During the filtration process, the filtration discs are tightly compressed together by the spring's power and the differential pressure, thus providing high filtration efficiency. Filtration occurs while water is percolating from the peripheral end to the core of the element. Depending on the micron rating, there are 18 (in 400 micron discs) to 32 (in 20 micron discs) stopping points in each track, thus creating the unique in-depth filtration.

Color Code	Blue	Yellow	Red	Black	Brown	Green	Purple	Gray
Mesh	40	80	120	140	-	-	-	-
Micron	400	200	130	100	70	55	40	20

PEP guarantees reliable, accurate and efficient water filtration for years, plus full support and service — worldwide.

In addition to disc filters, we have numerous other filtration products, including centrifugal separators and media filters. Visit our Products page to learn more about the other product offerings we have in addition to our disc filters, centrifugal separators and media filters.