【Replacement Models】Compatible with Type II filter, for Lay Z Spa filter pump.compatible with 58383/58386/58094 water pump. 【Hot Tub Filter Cartridges Size】10.6 cm x 13.6 cm (4.2 in. x 5.4 in). 【High Quality Material】The High-Flow Abs Core And Thick Filter Fabric Form A Robust Body, Has Strong Dirt Absorption Capacity High Temperature Resistance, Corrosion Resistance. 【Powerful Filtration performance】Hot Tub Filter Cartridges,The Innovative "Dirt Locking" Technology Allows Fabrics To Contain More Contaminants Than Regular Fabrics. This Filter Can Effectively Reduce Hair, Leaves, Dust, Sediment, Sand. 【Long Service Life】The Uniformity And High-Performance Trefoil Fabric Makes It Easier To Capture And Release Stains, So You Can Easily Clean The Filter After Use. Enhanced Life Cycle Pool Filter Cartridge for 58094 Type II Filter Pump for Above Ground Pools, Hot Tubs Filter Compatible with Lay Z Spa Filter Pump,2 Pack