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Numatic Charles CVC370 bags and filters

These fit

NVM-2BH dust bags and a 12in TriTex pre-motor filter.

The same parts fit every version in the "Also covers" list, so check your plate against it before you order.

Dust bags

Pre-motor filters

Finding the model number

Check the plate before you buy anything: a Numatic name on the box can cover more than one version. Label on the back of the machine (Numatic).

When to change them

Bags and the TriTex filter are for dry use only. Change the bag when suction drops or it feels heavy; do not wash the filter. (source)

Don't judge a bag by how full it looks. Fine dust clogs the paper or fleece long before it's packed, and suction drops off with it. Trust the indicator over your eyes.

If the indicator says full with a nearly empty bag, look for a blockage in the hose or floorhead before you swap it.

Only rinse a filter the maker says is washable, and let it dry right through before it goes back in. Most of the "it smells" complaints start with a damp filter.

Quick answers

Buying for a Numatic Charles CVC370, which dust bags should I get?

NVM-2BH, sold by Numatic as the Numatic NVM-2BH HepaFlo filter bags (XL range).

Buying for a Numatic Charles CVC370, which pre-motor filters should I get?

12in TriTex, sold by Numatic as the Numatic 12 inch TriTex filter (180/200/240/370 machines).