Trusted by installers • Genuine OEM • Fast USA shipping

Genuine Water Filtration Parts, Shipped Fast

Shop IntelliClear® systems, replacement filters, Clack components, tanks, and RO parts from a trusted authorized distributor.

Ships in 1–2 business days Genuine OEM parts Installer trusted
Fast parts lookup

Find the right replacement without the guesswork.

IntelliClear® filters & membranes RO systems and replacement parts Clack components and tanks Support from real water pros
Not sure what fits? Ask us →
AUTHORIZED IntelliClear® DISTRIBUTOR

IntelliClear® Tankless RO Systems & Replacement Filters

IntelliClear® is a tankless reverse osmosis platform from WaterWorld USA, positioned around on-demand fresh drinking water, reduced wastewater, and easier ownership — backed by independent testing and lead-free design standards (by model).

Clack® Replacement Parts & Control Valve Components

Keep your system running smoothly with Clack control valve components and service parts, stocked for fast replacement and minimal downtime. Shop essential electronics (PC boards) and common service hardware like seal/spacer stacks, elbow adapter sets, and bypass assemblies.

Frequently Asked Questions

Water Filtration Questions, Answered

How do I know which replacement filter I need?
Check your system model first, then match it to the correct replacement filter or membrane. If you are unsure, contact Stratus and we can help confirm compatibility.
Are your filters genuine OEM parts?
Yes. Stratus Water Systems carries genuine OEM systems, filters, and replacement components from trusted water filtration brands.
How often should RO filters be replaced?
Most reverse osmosis filters should be replaced every 6–12 months. RO membranes typically last 12–24 months depending on usage and water quality.
Do you ship from the USA?
Yes. Orders ship from the USA, with fast processing on in-stock products.
Can I replace the filters myself?
Many systems are designed for simple DIY replacement. Always follow the instructions for your specific model, and reach out if you need help choosing the right part.
AUTHORIZED Proline® DISTRIBUTOR

Proline® QC System + Filters

Proline QC® is a true tankless reverse osmosis system built for clean, great-tasting drinking water on demand — designed with a compact under-sink footprint, quick-change cartridge filtration, and a digital display for TDS and filter-life monitoring, with straightforward ownership and replacement guidance supported by Stratus.

Proline QC – Replacement Filters Most common

Proline QC – Replacement Filters

From $149.99
  • OEM stage replacements (Stage 1–4)
  • Easy reorder: complete kits or individual stages
  • Compatibility help from Stratus if you’re unsure
Shop Filters Ships fast • Free shipping
Proline QC – Tankless Reverse Osmosis System (400 GPD) Full system

Proline QC – Tankless Reverse Osmosis System (400 GPD)

$399.00
  • True tankless RO (no storage tank footprint)
  • Compact under-sink design with quick-change stages
  • Digital display for status + filter-life monitoring
Shop System Guided setup • Stratus support
AUTHORIZED RORO® DISTRIBUTOR

RORO® Tankless RO Systems & Replacement Filters

RORO® is a tankless reverse osmosis platform from WaterWorld USA, positioned around on-demand fresh drinking water, reduced wastewater, and easier ownership — backed by independent testing and lead-free design standards (by model).

AUTHORIZED lexpure® DISTRIBUTOR

Lexpure® Fusion Series Reverse Osmosis Systems

Lexpure® is a multi-stage reverse osmosis lineup designed for clean, great-tasting drinking water at home — offered in 50/75 GPD flow-rate options with complete under-sink kits (tank + lead-free faucet) and straightforward filter ownership supported by Stratus.

What Customers Are Saying

Real installs, real water improvements—from homeowners and installers.

“Installed the Proline QC—compact footprint and the taste difference is night and day.”
Sofia M.
Homeowner • Austin, TX
“The IntelliClear 800 keeps up with our café’s ice maker all day. Clear ice, zero chlorine taste.”
Marco D.
Installer • Seattle, WA
“Pro600 faucet showed 12 ppm out of the box. Pots fill fast and maintenance is simple.”
Olivia W.
Homeowner • Chicago, IL
“Swapped an old tank system for the RO600—constant pressure and no waiting for refills.”
Ryan S.
Installer • San Diego, CA
“We run the IntelliClear 800 in our bakery—great flow and the water makes our coffee pop.”
Hannah B.
Café Owner • Portland, OR
“Install for the Proline QC took about an hour. Clear instructions and noticeable taste upgrade.”
Priya K.
Homeowner • Phoenix, AZ