Pentair PacFab DE Filter 3/4" Air Relief Strainer. (Fits OEM Manifold on most FNS, FSH, Nautilus, Nautilus Plus DE Filters)

This Is An Air Relief Screen Used On A Number Of Pentair Filters

This Screen Is Round, With A Rubber Base. The Screen Material Attached To The Base Is A Metal Mesh Very Much Like The Metal Mesh On A Screen Door.

There Are 3 Air Relief Screens Made Like This. The Difference Is In The Dimensions And The Hole In The Bottom Of The Rubber Base. Each Screen Is Used With A Different Tube Size, So The Holes Are Different Sizes. Check Related Products Below For The Other 2 Styles.