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$29.95
The life expectancy of the RZ Filter depends on many variables, such as; particulate exposure density, particulate exposure duration and user breathing rate. With that said, below are our general guidelines – as the user will have the final call given your exposure.
Feel like measuring?
You can also use a measurement if you want to be sure of the right size for you. Measure from the bridge of your nose to just below your chin:
| Measurement | RZ Mask Size |
| 3.5" - 4.0" | Small / Medium |
| 4" - 4.5" | Large |
| 4.5" and up | Extra Large |
Most of us know whether we have a “medium”, “large” or “x-large” face. That’s the easiest way to determine your size:
| Face Size | RZ Mask Size |
| Small / Medium | Medium (we do not have a “small” mask size; our medium fits a small face.) |
| Large | Large |
| X-Large | Extra Large |
Ships next day M-F!
FREE first class shipping + FREE returns/exchanges within 30 days!
First Class Shipping takes 3-7 Days
Priority Shipping takes 2-4 Days
Express Shipping takes 1-2 Days
International Standard Shipping to Canada an *estimated 10-14 days - Rest of the World *estimated 14-21 days
International Priority Shipping takes 5-7 Days
(International Customers: Please Note That You Are Responsible For All Duties/Taxes/Fees With Regards To Import Into Your Country.)