Free Shipping on orders over $99 | FREE 365-DAY RETURNS
Filters Fast Logo Header
guarantee

Watts Flowmatic W-1812-36 RO Membrane

W-1812-36

$49.95
Retail: $59.99 /ea
You Save: 17%
As low as
$49.95
Retail: $59.99
You Save: 17%
Special Order. Ships in 5 to 6 business days.
FiltersFast.com Home Filter Club
Home Filter Club

Sign up for the Home Filter Club in checkout. You choose how often you want your filter, and we take care of the rest.


Watts Flowmatic W-1812-36 RO Membrane is a 36 gallon per day reverse osmosis thin film composite (TFC) membrane. Fits most standard RO units including but not limited to the Flowmatic FMRO4J, FMRO4G, FMRO5G, FMRO5GP.

The W181236 membrane is 1.8" x 11.8"

Membrane should be changed every 2-5 years depending on water quality and usage.

Compatible Models:

The Watts Flowmatic W-1812-36 RO Membrane is correct replacement for the following model numbers:

BrandModel NumberDescription
WattsFlowmatic FMRO4GRO Membranes
WattsFlowmatic FMRO4JRO Membranes
WattsFlowmatic FMRO5GRO Membranes
WattsFlowmatic FMRO5GPRO Membranes
No results for {X}



Product Availability

Please provide your e-mail address below to receive a notification when this product becomes available:

X
X

Thanks! We'll send you a notification when this product is available!