For Intex Pure Spa Washable Foam, Hot Tub Filter Cartridge. Feature: 100% Brand New and High Quality Reusable Foam Box Suitable for Intex Bubble and Jetted Pure-spas for Replacement of S1 Carton Replacing the Filter Elements of Paper Filter is Part of the Daily Maintenance of the Pool. These Cleaning and Reusable Foam Filters Will Reduce Your Cost The Initial Cost of the Cartridge is Slightly Higher Than That of the Cartridge, but the Cartridge Life is Longer for a Long Time More Durable Than the Carton, and It Can Be Washed and Reused Many Times. Specification: Quantity: 2pcs Colour:blue Material:sponge Size:10.8*7.3 Cm Center Hole Drilling: Approx.4 Cm Package Contents:2*Filter Sponges. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.