What brand is the best home vacuum cleaner?
I would think no, but you could always try searching or asking at an online plumbing company.
What is the best brand of vacuum cleaner?
Den Hess and Thomas Edison
What is the best vacuum cleaner brand in India?
If just opened, then no longer than a month even if the expiration date is far off, otherwise it can get liquidy or chunky. If unopened than it can stay a while on your refrigerator shelf.