B2B & Volume Sales — Call for Availability: 8″ membrane elements are sold business-to-business, typically by the case or in project quantities. Stock rotates quickly, so please call +1 (408) 969-2688 or email Sales@ForeverPure.com to confirm current availability, volume pricing, and lead time.
Hydranautics ESPA3-7 Low-Energy Reverse Osmosis Membrane Element
Legacy / specialty element. Hydranautics does not currently publish a standalone datasheet for the ESPA3-7 (it may be discontinued or superseded). Please contact us for current availability and the recommended equivalent.
The Hydranautics ESPA3-7 is a low-energy reverse osmosis membrane element for energy-efficient brackish and municipal water treatment. We can cross-reference it to the current Hydranautics equivalent for your system.
Typical Applications
- Energy-efficient brackish water RO
- Municipal and commercial drinking water
- Industrial process water
- Low-pressure / cost-sensitive systems
Frequently Asked Questions
Is the ESPA3-7 still available?
This is a legacy or specialty designation. Contact ForeverPure for current availability and the recommended Hydranautics replacement.
Need help selecting or sizing? ForeverPure provides full technical support and RO/NF system design. Contact us at 408-969-2688 or sales@foreverpureplace.com.
