Clearstream Flow Replacement Filter
Clearstream Flow Replacement Filter
Keep your water clean, always.
FlowCore 7-stage replacement cartridge for the Clearstream Flow. Each filter lasts 3 to 4 months.
Swap in seconds. No tools required.
- Everything you need to keep filtering
- No ongoing commitment
- Automatic filter replacements
- Pause or cancel anytime
Couldn't load pickup availability
Compatibility 🔗
Compatibility 🔗
This replacement filter is designed exclusively for use with the Clearstream Flow shower filter system.
Made for your shower water 💧
Made for your shower water 💧
Designed to help reduce chlorine, chloramine, and chemical byproducts commonly found in treated tap water.
The FlowCore 7-stage filtration is intended for everyday household use, helping protect your skin and hair while allowing naturally occurring minerals to remain.
Performance and replacement intervals may vary depending on local water conditions and usage.
How often do filters need replacing?
How often do filters need replacing?
Each replacement filter is designed to provide up to 4 months of everyday use.
Actual lifespan may vary depending on water quality and daily usage. Most households replace their filter every 3 to 4 months to maintain consistent performance.
When it’s time to replace, the filter can be swapped out in seconds. No monitoring, maintenance, or tools required.
FlowCore 7-stage filtration
FlowCore 7-stage filtration
Every drop passes through seven layers of filtration before it reaches your skin and hair.
1. 304 stainless steel pre-filter (1 micron)
Catches sediment, rust, colloids, and large particles before they reach the core media.
2. Calcium sulfite
Neutralises chlorine and chloramine on contact.
3. Far infrared mineralized spheres
Enriches water with beneficial trace minerals and increases alkalinity.
4. Activated coconut carbon
Reduces odours, VOCs, pesticides, and organic contaminants.
5. KDF copper-zinc media
Targets heavy metals including lead, mercury, copper, and cadmium.
6. Far infrared mineralized spheres
Second stage of mineral enrichment for balanced water quality.
7. 304 stainless steel post-filter (1 micron)
Final barrier for any remaining particulate.
What comes in the pack?
What comes in the pack?
Each pack includes Clearstream Flow replacement cartridges only.
No additional parts or accessories are included or required.
Single Cartridge
- 1 replacement cartridge
- Provides up to 4 months of everyday filtration
3 Cartridge Replacement Pack
- 3 replacement cartridges
- Provides up to 12 months of filtration when replaced as recommended
Replacement cartridges are designed to be swapped directly into the Clearstream Flow system. No tools, setup, or additional components are needed.

Frequently Ask Questions
Ordering & Support
How long does delivery take?
We offer free tracked delivery on all orders within New Zealand and Australia.
NZ delivery time:
4-8 business days.
Australia delivery time:
7-9 business days.
Tracking is provided once your order ships.
Will it reduce my water pressure?
No noticeable pressure drop. Clearstream Flow maintains a flow rate of 10-15 L/min, which is comparable to showering without a filter.
How do I replace the filter?
Unscrew the top cap of the Flow body, remove the old cartridge, and drop in the new one. No tools needed. Takes under a minute.
What if I have an issue with my order?
If something isn’t right, please contact us within 14 days of delivery. We’ll review your request and work toward a fair outcome in line with our returns policy.
Do you offer returns or exchanges?
Yes. Items that arrive faulty or incorrect will be resolved promptly. Other return or exchange requests are assessed on a case-by-case basis in accordance with our policy.
How can I contact you?
You can reach us via email (hello@clearstream.nz) or by using the form on our Contact page. We aim to respond within 24 hours.