Filter finder result

Filters that fit Waterdrop C1S

Waterdrop lists the items below for the Waterdrop C1S. Filters for your system are matched by its model, so you order once and it fits.

These items also fit:C1H C1SL

3 items fit C1S

Made by Waterdrop. Sold and supported by H2O Buddy.

RO replacement filter

Fits C1S

SKU WD-C1RF · Replacement filter

Waterdrop does not state a certification for this filter on its product page, so we do not claim one.

$56.99

Subscribe: $51.29 each time

RO replacement filter

Fits C1S

SKU WD-C1RFG · Replacement filter About every 12 months

Waterdrop does not state a certification for this filter on its product page, so we do not claim one.

$66.99

Subscribe: $60.29 each time

Accessory

Fits C1S

SKU MB-PWT · Accessory

Waterdrop does not state a certification for this filter on its product page, so we do not claim one.

$24.99

When to change it

Follow your manual and the interval on the product page. We can email you when it is time.

Does it fit my C1S?

Waterdrop lists these items for Waterdrop C1S. Check the number on your system or old filter matches before you order. Not sure? Send us a photo.

What does the certification cover?

Waterdrop does not state a certification for these items, so we do not claim one.

How often do I change it?

Waterdrop states about every 12 months for these filters. Follow your manual if it says otherwise.

Waterdrop is the maker of these items. H2O Buddy is an independent store operated by WellTracked.