and immoderate quality,Reusable foam box. Suitable for Bubble and Jetted Pure-spas. for Replacement of S1 carton. Replacing the filter aspects of paper filter is a part of the every day upkeep of the pool. These cleansing and reusable foam filters will minimize your cost. The preliminary price of the is barely more than that of the , however the lifestyles is for an extended time. More sturdy than the carton, and it can be washed and reused many . Size: 10 cm Center hole drilling: 4 cm Note: It takes 2 hours for the compressed product to get well colour: blue Material: sponge Package Contents: sixteen x Filter Sponges Only the above kit content, different merchandise should not included. Note: Light and various displays can cause the colour of the object within the photograph barely assorted from the real thing. The measurement allowed error is +/- 1-3cm.