PWRO4ZRO

Four Stage Zero Waste Reverse Osmosis System

  • 3 Gallons reverse osmosis storage tank
  • 50 Gallons per day reverse osmosis membrane
  • High flow non air gap designed faucet
  • NSF certified standard 58, IAPMO certified, patented zero waste design

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA