All Filters

"Shipped wet" means that your seawater desalination RO membrane (SP-SW2521, SP-SW2540, SP-SW4040, SP-SW8040) has been tested to industry standards...

Q: How do I store my RO membrane when it's not being used? A: The manufacturer recommends soaking membranes in a 1% sodium metabisulfite (SMBS) solutio...

We offer universal sizing (2521, 2540, 4021 and 4040, 8040) to help ensure easy replacement for existing systems if the model number is compatible. May I pr...

Customer question: We did achieve the stated flow when we tested your RO membrane.  Can you share the initial performance of the membrane we received whe...

There should be no significant difference in performance if the model numbers match in the cross-reference chart. Our membranes are manufactured to be repla...

While lab specifications like "2,400 gallons per day" are useful benchmarks, they're measured under perfect conditions — ideal water temperatu...

Customer question: I need a [customer gives you a specific specification such as 2,400gpd, 15% recovery rate, 100 psi, or other performance metric] membrane...

Our global manufacturing in certified facilities allows us to maintain competitive pricing. And without the brand-name markup, we can offer our filters at a...

Customer questions: Is the stated test psi the required psi or the minimum psi? Can the SpiroPure ____ membrane operate at ___ psi? Internal note: Hav...

Example Question:  The customer bought the SP-XL8040 to be used for maple syrup production. Now he wants to know the PH of sulfur acid rating for washing t...