




Cleaner, safer water every day
The eSpring Cartridge uses advanced carbon filtration and UV technology to remove harmful contaminants, protect against bacteria and viruses, and preserve healthy minerals—so your family enjoys pure water with peace of mind.
Why People Love Our Product

Is this cartridge authentic?
Yes, it’s a genuine eSpring Cartridge #100186, factory-sealed for quality and safety.

Will it fit my eSpring unit?
Fits ONLY the eSpring water filtration system (100188, 100189 and 301904, 301905).
30-Day Happiness Guarantee
If you're not 100% satisfied within the first 30 days, just send it back to us and we'll give you a full refund.
No need to worry about the return shipping - we've got you covered!
Questions From Our Customers
How long does the filter last?
Each cartridge lasts up to 1 year or 5,000 liters (≈1,320 gallons), whichever comes first.
Does it remove fluoride or beneficial minerals?
No. The filter keeps essential minerals like calcium and magnesium but does not remove fluoride.
How do I know when to replace it?
The system has a smart indicator that alerts you with red lights and sound when it’s time to change.
Is installation difficult?
Not at all. The cartridge is tool-free, click-and-replace—done in just minutes.
How fast is shipping?
Will usually ship within 3 business days of receiving cleared payment. Delivery time usually 3 to 5 days. Tracking will be provided. Express shipping via DHL, FEDEX, UPS or Aramex.
How do I get in contact?
Just give us a mail at warisansarilegacy@rmm-media.com
How can I return my product?
You can contact us at warisansarilegacy@rmm-media.com and our support team will give you the instructions on how to return the product.