General description The Pack Foam Pool Filters for Intex Type S1 are designed for use in spas and swimming pools, providing an effective and eco-friendly solution for maintaining clean water. Made from high-quality polyester fiber, these reusable and washable filter sponges are durable and efficient, making them a cost-effective alternative to traditional paper filters. Technical specifications Dimensions: approximately 108 x 73 mm (length x width) Material: high-quality polyester fiber Compatibility and accessories Compatible with Intex S1 models Works with Intex 28604 and 29000 filter pumps Suitable for most pool filters on the market Usage Recommended to change the filter sponge every two weeks for optimal filtration Effectively absorbs particles and sediment to keep water clean and fresh Enhances biological filtration for a healthier spa experience Other information