Amazon : US Pumice Pool Blok, PB-80, Pool Tile & Concrete Cleaner ...
US Pumice Pool Blok, PB-80, Pool Tile & Concrete Cleaner, Pumice Block, Pumice Stone for Cleaning Pools, Spas & Water Features, Pool and Spa Cleaner, 6-1/2" x 1-1/2" x 1-1/2, Pack of 1, Visit the THE FRYOILSAVER COMPANY Store, 470 ratings, -16% $1000, Was: $11.95, About this item, TRUSTED USA BRAND.