Cartridge diameter -5-3/4"
Cartridge length - - 12"
Top configuration -Open, Bottom configuration -Open
Top dimension -1-7/8", Bottom dimension -1-7/8"
Square footage -30
Spa OEM's that use this filter cartridge- Intex Recreation- 520 "D" version. Krystal Klear- Models 520/530. Sand-n-Sun, Wet Set, Easy Set