#274426Z Pentair FNS Plus DE Filter, 2 Inch x 2.50 Inch Tank Adapter Kit Pentair Valve Adaptor Kit, Size: 2 Inch x 2.50
For Use With: Triton(R) II TR100C and TR140C Pool and Spa Sand Filter, Clean & Clear Plus Cartridge and Quad DE Pool and Spa Filterswww.pentairpool.com