Hayward DEX2422Z2 SwimClear series filter metal reinforced lid o-ring.
NOTE:  For Filters Built After March 2009 or Filters Using DEX2421JKIT Aluminum Clamp Only

Fits the following Hayward Swim Clear models:
C2020, C2025, C2030
C3020, C3025, C3030
C4020, C4025, C4030
C5020, C5025, C5030
C7000, C7030


Specifications

Hayward SwimClear filter series metal reinforced lid o-ring.  
Part number DEX2422Z2.

Manufacturer
Hayward