Worcester Bosch Greenstar System Filter 22mm & 28mm
![](https://buxtonheating.com/wp-content/uploads/2018/10/System-Filter-400x_.png)
The new Worcerster Bosch Greenstar System Filter has been designed to combat the damaging effects of system debris and pollutants, allowing homeowners to protect their boiler or heat pump for a fraction of its cost.
The accessory has a high powered internal magnet that can capture up to 300g (22mm) or 500g (28mm) of magnetic debris.