Watts RO: 50 GPD Undersink Reverse Osmosis (RO) System

50 GPD Undersink Reverse Osmosis (RO)
4 stage system with TFC membrane
Watts Model FMRO4-MAN


  • 4 stage system: Sediment and carbon prefilters, thin film composite membrane and carbon post filter
  • 4 gallon storage tank included
  • Install out of sight under the sink. Easy installation kit included
  • Single piece manifold design eliminates many hose connections for greater security.
  • Hooks up to separate chromed long reach faucet (included)
  • Improves taste, eliminates odors, removes color
  • Removes minerals and heavy metals
  • Manufacturer’s prorated warranty.

Watts FMRO4-MAN 50 GPD RO System
Qty:   at $478.00

Replacement TFC 50 GPD RO Membrane
Qty:   at $133.00

Product Details

Master Shipping Dimensions: 21″x18″x19″
Packing: 1 per Master
Height: 17″ 43.2 cm.
Width:  13.5″ Dia. 34.3 cm.
Shipping Wt.: 21 lbs. 11.8 Kgs.


NOTE: Water filtration alone is not appropriate technology for biologically unsafe or untreated water sources such as private wells.