Wotec Corp. says its Promotec system cleans old, rusty and contaminated water pipes, eliminating the need for pipe replacement - and saving the labor and expenses related to opening/replacing walls and removing debris. Corroded and clogged pipes are cleaned of all residue by liquid air and alu-oxide, then coated with a durable epoxy that is certified and approved by the NSF/ANSI 61.

Wotec Corp.
Circle 4.