**These ones are the upgraded version so have nose pinchers!
Each one will come with one filter; you can purchase additional filters in packs of 5 for $3; if you work in the direct line you should definitely change it daily; for using a limited amount of times you can get a few uses out of it before swapping it out. washable; filters are disposable
**Due to the steep discounted pricing we offer, discounts are not eligible to be used on purchases. Free Shipping does not apply - if you select free shipping you will be invoiced for the cost of shipping when they come in