Skip to content

Free Shipping on All Orders!

Sterling Water Treatment QCRO Series Quick Change Reverse Osmosis 5-Stage Drinking Water Filtration System - QCRO-50

Sterling Water Treatment QCRO Series Quick Change Reverse Osmosis 5-Stage Drinking Water Filtration System - QCRO-50

Regular price $512.08
Sale price $512.08 Regular price $0.00

Free Shipping on Everything

In-Stock Items Ship Next Day

Our Experts are Ready to Help

Only Top-Quality Brands

Sterling QCRO‑50 50 GPD Reverse Osmosis System | Quick‑Change 5‑Stage Filtration & Decor Faucet

Sterling Water Treatment provides reliable, efficient water purification. The QCRO‑50 combines practical quick-change filters with effective RO technology to give consistent, great-tasting water at your tap.


  • Brand: Sterling Water Treatment
  • Model (MPN): QCRO‑50
  • Filtration Stages: 5-stage – sediment, GAC, carbon block, RO membrane, post-carbon
  • Output: 50 GPD (rated)
  • RO Membrane Rejection: 70–97% depending on TDS 
  • Inlet Pressure Range: 40–100 PSI; for lower pressure, see pump model 
  • Feed Water Requirements: ≤ 7 GPG hardness, ≤ 0.1 ppm iron, ≤ 0.05 ppm manganese, no H₂S
  • Temperature Range: 40–100 °F
  • Faucet: Decorative chrome faucet included
  • Tank Size: Standard under-sink RO tank (~10″×15″)
  • Filter Type: Quick-change cartridges—no tools needed for replacement
  • Certifications: Meets potable water use standards
  • Warranty: Limited 1-year parts warranty

5-Stage Reverse Osmosis Filtration

Delivers reliable contaminant reduction—sediment, chlorine, organic compounds, dissolved solids, and taste/odor—with an added carbon polish for crisp water.

Quick-Change Cartridge System

Twist-and-lock design lets you replace filters quickly without tools or mess. Cartridges pivot out for effortless service (no sump housings).

50 GPD Performance

Rated for 50 GPD output, ideal for homes and moderate use. Membrane achieves 70–97% TDS reduction, depending on water quality.

Built-In Faucet & Compact Tank

Includes an elegant chrome faucet and standard-sized tank to provide a neat, ready-to-use installation under most sinks.

Easy Installation & Maintenance

Quick-connect tubing, saddle valve, and leak-stop fittings ensure a straightforward setup. Manual includes clear steps for installation and maintenance.


Additional Features:

  • Cost-effective alternative to bottled water
  • Enhances taste in ice, coffee, cooking
  • Sanitary RO design minimizes cross-contamination
  • Compact design saves space under sink
  • Built to meet U.S. potable water standards
  • Optional booster pump available for low-pressure homes