Type: Swimming Pool Filter Cartridge This filter cartridge is designed to provide clean and hygienic water for your swimming pool. Featuring easy installation and maintenance, it helps maintain optimal water quality. Features: - Install inside the filter pump for improved efficiency - High-quality filter fabric effectively reduces floating impurities, debris, and dirt - Helps keep swimming pools and water pumps clean - Easy to clean – simply remove the filter from the pump and rinse off debris with a garden hose - Recommended to replace filter elements every two weeks during summer for best performance - Compatible with Bestway 530gph and 800gph pumps: models 58094, 58093, 58148NL, 58149, 58117NL, 58118, Spa 54100, 54101, 54102, 58383, 58386, and Lazy Z Spa filter pump Specifications: - Material: PET, melt-blown fabric - Color: White - Size: Outer diameter: 10.6cm, Inner diameter: 5.2cm, Height: 13.6cm Package Contents: 4 x Filter Cartridge Note: Lighting and monitor settings may cause slight color variations between the product image and actual item. Measurement allows an error of +/- 1-3cm.