Pentair 19" Stainless Steel Backup Ring for DE & Cartridge Filters | 195339 AVSC Single Standard Top Drain there are 3 of these

there are 3 of these parts and they are placed two on one side of the cleaner

this filter supports large water volumes while reducing service intervals

it's smart to check the pop-up head’s o-ring and sealing collar

✅ Genuine Pentair Replacement – The Seal Plate Kit (356091Z) is a genuine Pentair part

Pentair 19" Stainless Steel Backup Ring for DE & Cartridge Filters | 195339 AVSC Single Standard Top Drain there are 3 of thesePentair 195339 19" Stainless Steel Backup Ring for DE & Cartridge Filters Genuine Pentair 195339 19 stainless steel backup ring. Fits Clean & Clear Plus, FNS Plus & Quad filters (post 2003 models). Features Genuine Pentair OEM stainless steel backup ring Fits Clean & Clear Plus, FNS Plus, Quad D. E. and cartridge filters 19 diameter for internal filter support Intended for filters built after March 2003 Construction resists corrosion and maintains