Now available as a bundle! A Twin Pack of filters for you Lay-Z-Spa, together with all of the chemicals that you need!, Contains 2 Type VI Filter cartridges (BW58323) Chemical set includes: 500g of Chlorine Granules 500g of pH Plus 700g of pH Minus 500ml of Foam Remover 25 Test Strips And a ClearWater Spa Guide Please Be Aware this is not a toy and NOT suitable for children Safety Information: Warning. Not suitable for Children