SHIMADZU Turbo Molecular Pump TMP-803LM Controller. Not confirmed to work This product is 100% authentic. If you are planning to be in the situation with no internet, please let us know. Thanks for your cooperation? We can accept return within 30 days after you receive it. International Buyers – Please Note. We do not mark merchandise values below value or mark items as “gifts” US and International government regulations prohibit such behavior.