MSD Units and Service

Controlled Water Systems, Inc. is an authorized distributor of Scienco/Fast products. Our team provides Scienco/Fast service and original equipment parts for these systems.

Marine Fast

LX-Series Sewage Treatment Systems

The LX-Series are certified Type II Marine Sanitation Devices (MSDs) ideal for small vessels. These lightweight systems use strong, DOT-certified, HDPE and XLPE tanks that lower costs with no compromise in performance, strength or reliability.  Easy installation, this Series have capacities ranging from crew sizes 4 to 39 people.

M- & MX-Series Sewage Treatment Systems

Standard in epoxy-coated steel tanks and with capacities ranging from 11 to 80 people, the M- and MX-Series are certified Type II MSDs ideal to be installed wherever space is available.  The M- unit will fit through a 28" x 60" watertight door with 6" radius corners and will do so without disassembly.  The MX-Series are combined/welded media tank and wetwell versions of the M-Series.