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Flowmate is a smart insert that sits directly over your downpipe outlet to stop leaves and debris from blocking water flow. Even when your gutters fill up, water keeps draining freely — helping you avoid overflows, water damage, and costly repairs.
It installs in minutes, requires almost no maintenance, and is trusted by tradies across Australia for one simple reason: it works.
Will Flowmate fit in my downpipe?
Will Flowmate fit in my downpipe?
Flowmate’s dropper measures 70mm x 40mm, designed to fit snugly into both 90mm round and 100mm x 75mm rectangular downpipes — the most common sizes on Aussie homes.
How many Flowmates do I need?
How many Flowmates do I need?
To determine how many Flowmates you need, simply count the number of downpipes on your house.
Product features
Product features
Superior Clog Prevention: Flowmate prevents clogs in gutters and downpipes.
Continuous Water Flow: Ensures uninterrupted water flow during heavy rainfall, preventing gutter overflows and potential water damage.
Low Maintenance: Easy to uninstall when cleaning gutters compared to gutter guard.
Installation
Installation
Place Plate Over Downpipe
- Position the plate so it fully covers the downpipe opening.
Install Flowmate into Downpipe Opening
- Slide the Flowmate into the gutter and securely snap it onto the plate.
Patents
Patents
Innovation and engineering are at the core of our product, Flowmate. The design and utility of Flowmate are covered by a pending design patent in Australia. Additionally, the name and logo of Flowmate are registered trademarks owned by Flowmate Australia PTY LTD.
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Used by roofers and gutter cleaners across Australia
The design is very simple and so easy to install. I see the product doing very well. Everyone should invest in this.
Easy to install and works like a dream 😊
yup does what Marc says. easy to install. Removed my gutter guard and installed these myself. got any questions just give him a call.
So happy with the flowmates i purchased. i clean my gutters regularly as i have a lot of trees on my property and now without gutter guard it's a breeze! why wasn't flowmate around earlier?
I often deal with a lot of leaves in my gutters, and I'm hoping these Flowmates will clog less quickly than the round metal strainers I used before. The Flowmates are made from a sturdy, thick plastic and seem to be of high quality. They come with clear instructions and were easy to install. I did have to trim a small section on each one to fit them under my gutter straps, but that was simple to do.
Why Flowmate?

What size downpipe will Flowmate fit into?
Flowmate’s dropper is 70mm x 40mm, designed to fit most standard residential downpipes in Australia. It slides in easily without needing any modifications. Installs easily into 100mm x 75mm square droppers as well as 90mm rounds.