General description Replacement Filter Cartridges for Whirlpool Inflatable Pools and Bathtubs effectively remove dirt and impurities from water, ensuring cleanliness with fewer water changes. Made from durable and easy-to-clean polyester paper, these filters help prevent secondary contamination. Technical specifications Material: Durable polyester paper Pack size: 2 cartridges Installation Easy to replace: Simply place the new filter cartridge on the filter holder using the convenient snap-on closure. Usage Rinse the filter with a garden hose to remove dirt. Replace the filter cartridge every two weeks for optimal performance. Avoid scrubbing harshly or using high-pressure water jets to prevent damage to the filter paper.