BWT MaxiFlow Fibron Carbon block 10” - quick change. Compatible with RO300
NOTE: Please note two units are required per change out. 1 Cartridge included, image for illustration purposes only
$96
On backorderNot in stock right now — call us on 1300 551 626 for the current ETA.
About this accessory
The BWT MaxiFlow Fibron Carbon Block 10″ is a quick-change replacement cartridge for the BWT RO300 reverse osmosis system. Carbon block filtration helps improve the taste of your water by reducing unwanted flavours and odours before it reaches the RO membrane, protecting the system and giving you cleaner water for espresso and everyday use.
Please note: this listing is for 1 cartridge, and two units are needed to complete a change-out. Keep your RO300 running clean by replacing on schedule. Image for illustration purposes only.
What owners say
Moving right now
What other customers have actually taken home in the last little while — straight from our order book, not a curated list.
Before you buy
Built for 58 mm portafilters — the size used by essentially every prosumer machine we sell, including Bezzera, ECM, Lelit, Profitec, Quick Mill and Rocket. If you're on a 51 mm or 54 mm machine, talk to us first.
Tell us the machine you own and we'll confirm the fit before you order. It takes one phone call and saves a return. Call 1300 551 626 →
Dispatched from our Brisbane warehouse, usually within 1–2 business days. Pickup from the Woolloongabba showroom is available if you'd rather collect.

Why buy it here
We don't stock accessories because a distributor offered them. Our technicians use this gear on the bench every day — so if it's here, it's because it holds up and it actually fits the machines we sell.
Goes well with
The grinder matters as much as the machine — here's what we'd pair with it.
Ask us anything
BWT MaxiFlow Fibron Carbon block 10” – Quick Change
Send it through and a specialist will come back to you — usually the same business day.
In our Brisbane showroom
BWT MaxiFlow Fibron Carbon block 10” – Quick Change
Tell us when suits and what else you are weighing up, and we will confirm a time to see them in the showroom.
Talk to a specialist
We would rather spend ten minutes helping you land on the right machine than process a return later. Call us, start a chat, email, or send this and we'll come back to you.