Why don't you use this instead of the PVC
to keep the filter ASSEMBLY in place?
The Big Bang Theory Season 2, Episode 22
You're thinking of
the moving ASSEMBLY line.
The Big Bang Theory Season 2, Episode 18
...the moving ASSEMBLY line, that was
introduced by Henry Ford in 1908.
The Big Bang Theory Season 2, Episode 18
Kevan, command
the drummers beat ASSEMBLY.
Game of Thrones Season 1, Episode 8
The ASSEMBLY line, of course.
The Big Bang Theory Season 2, Episode 18