Primary Permatex Filter for 356mm Machine 604116 - Numatic

Genuine Replacement 305mm Filter for Henry / Hetty and Others

If you have a 305mm vacuum cleaner from Numatic and are finding the suction is not as good as it once was, and have already replaced the bags it may be time to change your secondary filter. 

This basket filter is the last stage of filtration after your dust bags in your vacuum cleaner, it sits on top of the drum and prevents dust from escaping the vacuum cleaner and protects the motors from foreign objects. 

If this filter becomes dirty and blocked it can reduce the suction of the vacuum cleaner and it needs to be replaced. 

This filter fits 570 & 900 models which acts as a dry filter please see below for some of the machines that it can be used for.

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