Water and Waste Filtration

Innovative Plastic Solutions for Water & Filtration Systems

Durability. Precision. Reliability. At ESP, we engineer custom plastic components for water and water filtration applications that keep systems running clean and efficient. From residential purification to industrial water treatment, our injection-molded solutions are built to perform under pressure.

Supporting Every Corner of the Water Industry

ESP partners with leading OEMs in water purification, filtration, and treatment systems to deliver components that improve system efficiency and lifespan. Our expertise in plastic injection molding for water systems ensures parts that are:

  • Corrosion & chemical resistant for long-term durability

  • Leak-proof and precision-fit to maintain safe water flow

  • NSF-compliant and industry ready for regulatory confidence

Whether it’s reverse osmosis, municipal treatment, or commercial filtration units, ESP delivers solutions designed for reliability.

Precision-Molded Components for Filtration Applications

Our team manufactures a wide range of plastic parts for water filtration, including:

  • Filter Housings & Cartridges – Strong, lightweight, and built for high-volume systems.

  • Valve & Pump Components – Engineered to resist wear and extend system life.

  • Connectors & Couplings – Leak-proof designs that ensure reliable performance.

  • Custom Seals & Gaskets – Precision-molded for tight tolerances.

  • Flow Control Parts – Optimize throughput and reduce costly downtime.

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Your Partner in Water Filtration Excellence

At ESP, we understand the critical role precision plastic components play in keeping water clean, safe, and systems running efficiently. Every part matters — from filter housings to flow control elements — which is why we design and manufacture injection-molded solutions that stand up to the toughest demands in water purification and treatment environments.

With decades of experience in custom injection molding, we help OEMs reduce downtime, extend product life, and streamline production costs, all while meeting industry standards like NSF compliance. Our team combines engineering expertise with advanced manufacturing to deliver reliable, high-performance plastic parts that give you confidence in every drop.