The compatibility help made it easy to order the right IntelliClear® replacement filters without guessing.

Replacement Guide
Fits IntelliClear® 800
Which option should I choose?
Composite Filter: best for regular 6–8 month maintenance.
RO Membrane: replace every 1–1.5 years, or when flow slows or TDS rises.
Filter + Membrane Combo: best value for a full replacement kit.
Signs it may be time to replace
Why replace on time?
Protect Water Quality & System Performance
Replacing your IntelliClear® filters on schedule helps maintain clean taste, steady flow, and reliable reverse osmosis performance.
Compatibility Support
Not Sure This Fits Your System?
Send us a photo of your filter label, system model, or current cartridge and we’ll help confirm compatibility before you order.
Product FAQ
800 Replacement Filter Questions
Quick answers about compatibility, replacement timing, and choosing the right filter option for your IntelliClear® 800.
How do I know which 800 filter option to choose? +
Use the replacement guide above to match the option to your maintenance needs. If you are unsure, send us a photo of your filter label, cartridge, or system model and we’ll help confirm compatibility.
Will this fit my IntelliClear® 800? +
This product is designed for the IntelliClear® 800 model shown in the compatibility section. Check your system model before ordering, or contact us if you want help confirming the correct fit.
How often should I replace 800 filters? +
Main filters are commonly replaced every 6–8 months. RO membranes usually last longer, often around 1–1.5 years depending on water usage and local water quality.
When should I replace the RO membrane? +
Replace the RO membrane when it reaches the recommended service interval, when water flow slows, or when TDS readings begin to rise.
Do you offer help before I order? +
Yes. Send us a photo of your current filter, cartridge label, or system model and we’ll help you choose the right IntelliClear® replacement before you order.
CUSTOMER FEEDBACK
Trusted for IntelliClear® Filters and RO Systems
Customers choose Stratus Water Systems for model-matched replacement filters, tankless RO systems, and support before they order.READY TO ORDER?
Find the Right IntelliClear® Product with Confidence
Shop IntelliClear® replacement filters, tankless RO systems, and model-matched parts — or contact us if you need help confirming compatibility before you order.
REPLACEMENT FILTERS
Replacement Filters by IntelliClear® Model
Choose the correct replacement filter set, RO membrane, or cartridge for your IntelliClear® system.
Fits Intelliclear® Pro600
IntelliClear® Pro600
Replacement filters for IntelliClear® Pro600 tankless RO systems.
Fits Intelliclear® 600
IntelliClear® 600RO
Replacement filters for IntelliClear® 600RO tankless RO systems.
Fits Intelliclear® 800
IntelliClear® 800
Replacement filters for IntelliClear® 800 tankless RO systems.
Fits IntelliClear® 1000
IntelliClear® 1000
Replacement filters for IntelliClear® 1000 tankless RO systems.
TANKLESS RO SYSTEMS
IntelliClear® Tankless Reverse Osmosis Systems
Shop compact, on-demand reverse osmosis systems designed for clean drinking water without a traditional storage tank.
Bestseller
IntelliClear® Pro600
600 GPD tankless reverse osmosis system for everyday drinking water.
600 GPD
IntelliClear® 600RO
Compact 600 GPD tankless RO system with on-demand performance.
800 GPD
IntelliClear® 800
800 GPD tankless reverse osmosis system for higher daily water demand.
Fits IntelliClear® 1000
IntelliClear® 1000
1000 GPD tankless RO system built for maximum flow and high-demand use.