Replacement Vacuum Bags, Fits Nss M1 Pig, 3/packUse to keep floors clean and dustless. Three ply high quality material provides additional resistance against bursting and tearing to eliminate the risk of leakages. Triple micro plus filter for better filtration of smaller and finer dust particles and other allergens. Clear labeling of the compatible vacuum cleaners to ensure you pick the right one for your model. Allow for easy removal and replacement. Suitable for commercial use.