JW. Yeah, I thought it was a bit odd, 2 and 5 years. You can collect a lot of shit in 5 years. I assume the filters must be rinsed every so often?? Actualy the company name is Mazumo and they claim:
"Reverse Osmosis system is the process of super fine filtering with 5 steps filter that consist of Sediment Filter – Carbon Filter – Cation Resin – Membrane Filter – Post Carbon, all of which produces water purity of 99.999 %. The membrane filter has the fineness of 0.0001 micron"
