"djay" wrote in message
news:MsDFe.7064$vY2.2412@trnddc09...
You should only use ONE of the washers, not both!
They will be either a felt or nylon. If you use both washers you will not
have the correct seal.

Djay

But according to the website, http://www.jbjlighting.com/pdfs/CO2_Manual.pdf
it says to use both washers?