SpiroPure SP-FR4040 NSF-Certified 4x40 RO Membrane Fouling Resistant Filter
SpiroPure SP-FR4040 NSF-Certified 4x40 RO Membrane Fouling Resistant Filter
Couldn't load pickup availability
- 24/7 Customer Support
- Risk-Free 30-Day Returns
- Fast & Reliable U.S. Shipping
Contact Information
Contact Information
30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
✔ Fast refunds
✔ No hidden conditions
Fast U.S. Shipping
Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
✔ Real-time tracking available
👉 Track your order anytime from the header via Track Order
About This
- SPECIFICATIONS: This fouling resistant replacement reverse osmosis membrane has a 99.5% salt rejection rate, a recommended NaCl of 2,000 ppm, feed spacer size of 34 mil, a maximum operating pressure of 600 PSI, and an average permeate rate of 2,400 GPD @ 225 psi
- QUALITY REPLACEMENT: SP-FR4040 is a compatible alternative replacement filter element for FR-4040, FLR-4040, TML10D, and LFC3-LD-4040 industrial RO membranes
- NSF CERTIFIED: SpiroPure commercial RO membranes are NSF 61 certified (2024). Each low energy membrane provides 0.0001 micron reverse osmosis filtration
- OUTSTANDING FILTRATION: Low fouling elements are the ideal choice for treatment of complex raw water, purification of surface water, mining wastewater, municipal reclaimed water, industrial wastewater, RO brackish water, and more
- EASY INSTALL: Our universal size 4 x 40 membranes are easy to install and maintain, with a tight seal that will not deform or leak
Overview
- Material : Reverse Osmosis Membrane Element
- Item Weight : 7.3 pounds
- External Testing Certification : NSF
- Product Benefits : NSF 61 Certified
- Brand : SpiroPure

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide