Inlet Pipe Assembly, included Bulkhead Other Products Using This Part: 180007 FNSP36 - FNS Plus 36sqft Vertical Grid D.E. Filter 180009 FNSP60 - FNS Plus 60sqft Vertical Grid D.E. Filter 180008 FNSP48 - FNS Plus 48sqft Vertical Grid D.E. Filter 180007 FNSP36 - FNS Plus 36sqft Vertical Grid D.E. Filter 180009 FNSP60 - FNS Plus 60sqft Vertical Grid D.E. Filter 180008 FNSP48 - FNS Plus 48sqft Vertical Grid D.E. Filter 180006 FNSP24 - FNS Plus 24sqft Vertical Grid D.E. Filter 180006 FNSP24 - FNS Plus 24sqft Vertical Grid D.E. Filter