General description Filter cartridges for Bestway Size I are designed to keep your swimming pool water clean and fresh. Made from durable Dacron material, these cartridges ensure that your filter pump operates efficiently, effectively removing impurities such as hair, leaves, dust, and sand. Technical specifications Dimensions: Outer diameter 3.1 inches (7.8 cm), Height 3.5 inches (8.8 cm) Interior diameter height: 1.1 inches Material: Dacron Compatible with filter pumps rated at 300/330 gallons per hour (220-240 V) Installation Easy to clean and replace when necessary Recommended replacement every 2-3 weeks Usage Part of routine maintenance for pool or bath cleaning Helps maintain safe leisure time by ensuring strong filtration performance Other information