Rust Retainer
The rust retainer is fitted on the last galvanised rod, before the cylinder, preventing rust or sand from settling in the cylinder.
![](https://joostecylinders.com/wp-content/uploads/sites/417/2020/02/Jooste-Cylinder-Rust-Retainer.jpg)
The rust retainer is supplied standard with the RDS Cylinders but can be fitted to the AS Cylinder as well.
![](https://joostecylinders.com/wp-content/uploads/sites/417/2020/02/Jooste-Cylinder-Rust-Retainer-1.jpg)