On 8 Sep 1998 18:12:27 GMT, "entity" wrote:

>Just bought some canned gas and, prudently, I tried it on a cheap filter
>first. To my horror, I saw blur marks appear where the blast of air had hit
>the filter!! To think that I was going to use this stuff on my F90X's
>insides!!
>
>Are all canned gas like this?

Dunno - but a chemistry-inclined friend says the stuff is still
bad for the ozone layer, the can's writings notwithstanding...
And a large squeeze air bulb is so cheap and easy to use, and
it is supplied with an endless charge of clean air...;-)