Pentair Clean & Clear Plus Tank Bottom Assy (After 11/98), 178578

No. 21 Image Shown Above 178578 Tank, Bottom Assembly (After 11/98) Used On Purex (Pentair) Clean and Clear Plus Filter Series and Quad DE Filters Includes Bulkhead Fittings to Mate to Your Filter Valve, Internal Standpipe and Drain Plug. Other Parts Not Included. This is the Bottom Half of The Filter Tank. Also Available On Quad DE and Clean & Clear Plus Schematic Parts Pages