If your pool isn"t ready for the warm weather, you need the Summer Escapes Pool Filter B Cartridges. Grimy build up, debris and unclean water can ruin a fun pool party. Available in a pack of two, this pool cartridge filter saves you time and money, while getting your pool clean as new. Purchasing a pool is an investment -the set-up and maintenance is a commitment. To keep your pool party-ready at a moment"s notice, the Summer Escapes Pool Filter does the work for you. The Summer Escapes Pool Filters Type B Cartridge cleans impurities out of your pool, for a safer swimming experience. So take a dip in your pool after a thorough cleaning with the Summer Escapes Pool Filter B Cartridges for a safe swim for you and your family.