Online Store

Your home for quality aeration parts and products

Welcome to the Diffuser Express online store

Whether you are shopping for a full system upgrade or a few membrane replacements, Diffuser Express is here to help get you back up and running quickly. You can even add on SiteWorks™ Installation & Maintenance services and entrust your job to our experienced crew to get the job done right.

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Featured Products

Need help with your order?

Reach out today with any questions or to inquire about installation services.

Why shop with Diffuser Express?

We service all major brands. We are not only your direct connection to Nexom and EDI advanced wastewater treatment products, but we also stock a multitude of replacement membranes and parts for all brands.

EDI’s products will keep your system at the front edge of technology. Our flexible membrane diffusers employ proprietary materials and specialized manufacturing techniques for maximum oxygen transfer efficiency, air handling, and service life performance.

When application know-how or total system design assistance is required, Diffuser Express connects with our in-house applications engineering team. You are in excellent hands with experienced aeration and biological treatment experts who have served customers spread on over 100+ countries all around the world since 1975.

We are confident you will be pleased with our products and service. We look forward to improving the performance of your aeration and entire wastewater treatment system.

About Diffuser Express

In 1999, Diffuser Express® was established with the commitment to excellence in supplying diffusers, membranes, and specialty diffuser items for new and existing wastewater treatment applications. The programs available from Diffuser Express are structured to deliver Nexom and EDI’s quality products with “express” service and competitive pricing.