Numatic NVM-2BH HepaFlo Dust Dry Vacuum Bags. These are genuine Numatic Hepa-Flo dust bags, designed for use with the Numatic commercial vacuums with a drum size of 15 Litres. 3 layers of material increases filtration. No dust, no mess, what goes in, stays in. The bags are specially designed to offer the perfect fit, this also means it extends the machines life. These come supplied in a pack of 10 each with a 15L capacity per bag. Compatible with Numatic container sizes, 350, 360, 370, 380, 390, NVQ 402 & DBQ 500. Easy to match your machine to its Hepa-Flo bag, look for the numatic seal, above the barcode a code will be present, it contains 3 letters and then 3 numbers, the first 2 numbers indicate the model container (George GVE 370 or EVR 374), these bags fit as they fit containers 370. Specifications Capacity - 15L Numatic Code - 604016 Filtration - 3 Layer Hepa-Flo Compatible Container Sizes - 350, 360, 370, 380, 390, NVQ 402 & DBQ 500 Pack Quantity - 10 Bags