Darlly 82001 FC 1288 FC 1288M C 8419 PC 1288 Spa Pool Filter Cartridge zodiacjandylaars The 62024BLK is a practical The 62024BLK is a practical service part when a compatible Waterco Trimline or Micron filter needs its lock ring restored for more stable vessel retention and this Darlly cartridge is designed for compatible applications referencing FC 1320 The Darlly 82001 filter cartridge is intended for compatible systems requiring 200 square feet of filtration media with 4 inch top and bottom openings This cartridge offers substantial media area in a profile that supports applications where higher filtration capacity is needed without shifting to a much larger cartridge body