This model validator is obsolete and no longer available.

The Mars/MEI Series 2000 model is the newer version.

A recommended replacement is available.

Please use the blue hyperlink to purchase the recommended replacement.

Recommended replacement hyperlink below:

Mars/MEI Upstacker with Green Mask MDB Recommended Replacements

If you have a question about an item, please use the "Contact Us" form on our homepage or by clicking here so we can try to help.