Oasis Filter International Ltd.

Slow sand filtration for the 21st century.

Slow Sand Filtration for the 21st Century: The Manz Slow Sand Filter (MSF) allows demand operation and cleaning by backwashing. The MSF and its related techno. . . logy, the Manz Polishing Sand Filter (MPF), expands the practical use of traditional slow sand filtration to include iron, manganese and arsenic removal with low capital and operating costs, minimal use of chemicals and minimal wastewater production. Operation is simple and reliable. Existing slow sand filters may be retrofitted.