Johanson Technology specializes in high precision RF passive products such as their 0900FM15D0039001E ceramic filter. The storage conditions for this device on page 2 of the datasheet mention a vacuum sealed bag as part of recommended storage. Does this product ship in the aforementioned sealed bag?
These products do not ship in a vacuum sealed bag. They’re classified as MSL non-JEDEC, and ship in a moisture barrier bag with desiccant. If you plan to store these products over the long term after receipt rather than use them, you should be prepared to vacuum seal them at your facility.