We Guarantee this tube to test new with no gas or shorts using.
(Hickok Standard Measurements) Or your money back including shipping cost.
Our vacuum tubes sold on eBay come with a 1-year replacement Warranty for defects/failures.
You must return the tube for warranty service; we pay return shipping.
Test procedure
We have bogie/reference tubes for all numbers we sell.
Reference tube is tested first then the tube listed for sale.
This assures the tube you will receive meets industry standards for a new vacuum tube.
Our Hickok testers are calibrated monthly to assure accurate test results.