First Flush Slim Filter

The First Flush Diverter Plastic Filter Screen is the fine filter to strain debris from your First Flush Diverter. Its purpose is to reduce the amount of sediment which can lead to clogging of the slow release valves. Ensure you have one installed.

Easy Installation

Easy Installation

Just unscrew the black Nut and Tail from your First Flush Diverter to install the First Flush Slim Filter.
SKU : K0036
  • K0036
First Flush Calculator by Rain Harvesting

First Flush Calculator

Easily calculate how much water you need to divert and discover which First Flush Diverter is right for you.

Design Service

Improve your existing Rain Harvesting system or design a new one with the help of our experts and our free system design service. Call now

Free Handbooks by Rain Harvesting

Rain Harvesting Handbook

A guide that will provide you with help and inspiration to start your rainwater harvesting journey today.

A sketch of mechanics about rain harvesting

Design Service

Improve your existing Rain Harvesting system or design a new one with the help of our experts and our free system design service. Call now