Reverse Osmosis

SWM supports RO customers far and wide by providing the most innovative products for feed spacers and center tubes.

About this market

Almost 1 billion people will not have access to drinkable water by 2025. Our premier line of Naltex® Netting supports and protects membranes in Reverse Osmosis (RO) filters to help keep water clean. Our brand of feed spacers is the most trusted by filtration customers for performance and reliability as well as our Coretec® Core Tubes and Machined Components.


SWM supports RO customers far and wide by providing the most innovative products for feed spacers and core tubes.  We manufacture a full line of customdesigned mesh and scrim with varying sizes resins and flow. 


Naltex® extruded netting, a bi-planar mesh with thermally bonded strand intersections, is the most widely utilized net in the filtration industry for feed spacers. Specialized engineering-grade Naltex nets have unmatched performance in high-end filtration systems.


Coretec® Machined Cores and machined parts include a wide range of high-performance components, made from advanced engineering-grade resins and stainless steel. Our filtration products include center tubes for reverse-osmosis water filters, feed spacers, cores, pressure vessels, machined parts, adapters. and interconnectors.


SWM is comfortable and experienced dealing with NSF and FDA requirements.  Count on us to provide you with high-quality and trusted products for your RO needs. 



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