4 Pcs Hot Tub Pool Scum Absorber-8 cm Reusable Scum Eliminating Sponge Balls, P

Large size: this oil-absorbering sponge balls with a diameter of 8cm and one set of 4 pcs,we chose to make a larger product size compared to most filtration products on the market, increase the contact area with the water surface, improve the adsorption rate.

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