I've been seeing folks post about these in various areas, but don't see much info. out there on them other than advertising saying that the insert is all that needs replacing, not the entire assembly.
It also appears that you only use one per side in the Emp 400, versus the 4 originals.
Who is using them, in what filter, and your opinions.
Or, if there has alredy been a discussion on them, please link me there.
It also appears that you only use one per side in the Emp 400, versus the 4 originals.
Who is using them, in what filter, and your opinions.
Or, if there has alredy been a discussion on them, please link me there.
