New Pentair FNS+ 48 D.E. Filter Plumbing (Sightglass??)

[rshady]

For example, this is what I expected...



And this is what I received...



Am I missing something?

[PoolDoc]

Well, on some filters Pentair began replacing true sight glasses with lengths of clear PVC -- but they aren't interchangeable.

If you've got a place to screw-in a sight glass, you'll need a sight glass.

Ben