Type B/29005E replacement cartridge. 

Fits Intex filter and pump unit models 633, 56611, 56621, 56631, & 58621.

Fits Krystal Klear pump models 51, 51R, 520 and 520R.

Filter Size(Outside Diameter x Height): 14.6 x 25.4 cm / 5.75 x 10.0 inches.

Features and Advantages:

●  Main functions: Intercept leaves, sand, hair, impurities and other particles in the swimming pool and spa.

●  Filter material: PET (polyester resin) filter fiber, trilobal structure, easier to catch and release stains. Environmentally friendly, non-toxic, odorless.

●  The upper and lower covers of the filter are made of antibacterial materials.

●  The PVC inner core has a tough structure and a large aperture, which can ensure the smooth flow of water.

●  Filtration precision: 50 microns

●  Lifespan: about 2 weeks (depending on the frequency of use and water quality).