Frequently Asked Questions

It traps clay, silt, and debris in drainage systems to prevent blockages and environmental discharge.
They're used on building sites, wash bays, and any area where sediment runoff could enter the drainage system.
Yes. They are made from 304 or 316 stainless steel for durability, especially in harsh environments.
In many cases, yes — particularly if you're discharging to stormwater. Always check with your local authority.
Yes. The sediment basket is easily removable for cleaning and maintenance.
Yes. They're often installed upstream of grease traps to protect them from solid waste buildup.
316 offers superior corrosion resistance and is better suited for coastal or chemically aggressive environments.
They’re manufactured to meet Australian plumbing standards and site drainage best practices.
It depends on use, but high-traffic washdown zones may require daily or weekly cleaning.
Because they’re built tough, engineered for compliance, and trusted by contractors across Australia.

What Is a Clay Arrestor?

A clay arrestor is a specially designed drainage fixture that traps sediment, clay, and debris from washdown water or stormwater before it enters the plumbing or stormwater system. It helps protect pipes from blockages, prevents environmental pollution, and ensures compliance with local council and EPA regulations.

3Monkeez® clay arrestors are engineered from 304 or 316 stainless steel with basket-style filters for easy removal and cleaning — ideal for commercial sites and trades.

Key Features:

  • ✅ 304/316 Stainless Steel Construction – Rust-resistant and long-lasting
  • ✅ Heavy-Duty Sediment Basket – Captures clay, sand, concrete residue & solids
  • ✅ High-Flow Design – Optimised for efficient drainage without overflow
  • ✅ Removable Internal Basket – Easy to clean and maintain
  • ✅ Above or Below Ground Options – Flexible install configurations
  • ✅ AS/NZS Plumbing Compliance – Trusted for commercial use

Ideal Installations:

  • Construction site washdown bays
  • Concrete cutting operations
  • Bricklaying and tiling wash areas
  • Car wash sediment traps
  • Landscaping and outdoor cleaning stations
  • Pre-treatment before stormwater or sewer discharge

💡 Pro Tip: Install upstream of grease traps or stormwater lines to prolong system life and prevent expensive maintenance.