3 Nov
2012
3 Nov
'12
1:52 p.m.
As I said, it's not sealed, which is why the
absolute filter is needed in
the first palce. But the design does reduce the amount of dust getting
ino the filter.
Is it something that could be inspected, and changed only if required?
Guess
I'm wondering if the act of inspecting it is going to let in dust,
thus spoiling the whole point of it.
- Earl