6/ 12x Lay In Clean Spa Tub For S1 Washable Bio Foam Vi Lazy Filter Washable

6/ 12x Lay In Clean Spa Tub For S1 Washable Bio Foam VI LAZY Filter Washable Description: Made of high quality materials, durable and easy to use Reusable foam box Suitable for Intex Bubble and Jet Pure Spa Replace the S1 box Replacing the filter element of the paper filter is part of the daily maintenance of the swimming pool. These clean and reusable foam filters can reduce your costs The initial cost of the toner cartridge is slightly higher than the toner cartridge cost, but the toner cartridge has a longer service life More durable than cardboard boxes, can be washed and reused many times. Details: Material: sponge Colour blue Center hole: about 4 cm (1cm=10mm=0.39inch) Packing: 4/6PCS foam A notice: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color shown on the pictures. Thanks very much! Please allow 1-3mm measuring deviation due to manual measurement.