Under-Sink Reverse Osmosis System

Enjoy clean, crisp, and contaminant-free water right from your tap, with optional alkaline enhancement for added hydration benefits.

Contact Us

The Ultimate Drinking Water Solution — Right from Your Tap

System Features:

  • Crystal-clear water on demand — right from your stylish, modern faucet
  • Compact design fits neatly under your sink — no bulky tanks or clutter
  • Removes up to 99% of contaminants including chlorine, lead, PFAS, and more
  • Optional alkaline enhancement for better-tasting, pH-balanced hydration
  • Perfect for families, cooking, coffee, and everyday hydration
  • Installed & serviced by local Water Warehouse pros — no DIY guesswork

Available in two options:

  1. Standard RO system for pure, clean filtration
  2. RO + Alkaline filter upgrade for enhanced taste and pH-balanced hydration

4-Stage Filtration Process:

1

PP Sediment Filter

Removes sand, rust, and debris

2

CTO Carbon Block

Reduces chlorine, improves taste

3

RO Membrane

Removes 99% of total dissolved solids, PFAS, metals, bacteria

4

Alkaline Filter

Adds calcium, magnesium, potassium to boost pH (~9.5)

Not sure what your home needs?

Our experts are happy to help. Call us during business hours at (916) 684-3678 or send us a message.

    Water Warehouse Support

    How can we help you today?

    Hello! I'm here to help you with information about Water Warehouse! What would you like to know?