Nelsen Corporation

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Reverse Osmosis Systems

Nelsen Corporation RO Replacement Filters

Find Nelsen Corporation-compatible filters and manuals by selecting your system below

Nelsen Corporation is an established manufacturer of water filters, and drinking water systems, including the Aqua Classic and Aqua Elite RO systems. To find compatible RO filter and part replacements, select your Nelsen system below.

Select Your System

Nelsen Corporation Frequently Asked Questions

How do I replace my Nelsen RO filters?

Start by selecting your Nelsen reverse osmosis system above. You'll be taken to a page that provides manuals or instructions for your specific Nelsen RO model. General filter replacement instructions are available here.


How do I order replacement filters for my Nelsen RO drinking water filtration system?

Start by clicking on the photo of your Nelsen RO system above. From there, you can add the needed filters to your cart. The RO membrane requires replacement every 2 years, whereas the sediment and carbon filters need to be changed every 6-12 months, depending on the volume of water usage and the source water quality.


Which Nelsen membrane or filters do I need for my RO filter system?

Select your Nelsen RO unit from the list above. You will be taken to a new page that shows the available membrane and filters for your RO system. Be sure to select the correct membrane size (listed in GPD or gallons per day). If you have any questions, please call our customer support team at 877-377-9876. We're available Monday through Friday, 9 am to 5 pm Central Time.


What contaminants will Nelsen RO systems remove?

Nelsen reverse osmosis filters and membrane can remove common pollutants from water including lead, pesticides, sulfates, fluoride, nitrates, pharmaceuticals, PFOS, Arsenic V, and much more. The RO system's carbon filter will also remove chloramines and chlorine. Many other contaminants can be removed with reverse osmosis filtration.

Answers To Your Most Common Questions

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