Compatibility: The 59053800 center core part is replacement for Clean and Clear 50,75,100,150/200 sq.ft pool filter center core for 59053500 590535600 590535700. Function: Replace the damaged central core part and rebuild the filtration system. It helps filter out impurities in the water and ensures the cleanliness of the swimming pool water. Simple Installation: Multiple part connections can be made, just align the pores and lock the buckle. Material: Made of hard plastic, it will not rust. The structure is solid, resistant to water flow impact, and not easy to break or deform. Please confirm the model before purchase. Center Core Part Replacement for 59053800, replaceable part, simple installation, only need to align the air hole and lock the buckle.