100% brand new and high quality, Reusable foam box fit for Intex Bubble and Jetted Pure-spas. Replacement of S1 carton Replacing the filter s 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. Specifications:
size:10.8*7.3 cm
Center hole drilling: Approx.4 cm
Colour:Blue
Material:Sponge

Package Contents:
6*Filter Sponges