Pentair R172385 Complete Filter Lid Assembly fits the following filter models:
     Dynamic Series II and III
         

Specifications
Pentair R172385 Filter Lid Assembly includes the following:
   1 - Filter Lid
   1 - R172224X   Drain and vent valve, black
   1 - R172221      O-ring for drain and vent valve
   1 - R172222      Gasket, cartridge
   1 - R172223      O-ring for lid to housing

Manufacturer
Pentair