Poolzilla 1 Pack Replacement Pool and Spa Filter Cartridge Compatible with 6541 397 Sundance MicroClean Ultra Sundance 6541 397 AK 6541397 UFC 397 Outer Filter # 6473 165 and Inner Filter 6473 164

💧【Compatible Models】Outer Length: 19"; Outer Diameter: 8 3/8"; Outer Top Opening: 2 3/16'' OD slip; Outer Bottom Opening: 4 7/16'' Open; Compatible with 6541-397 Filter Cartridge for Sundance MicroClean Ultra, Sundance 6541-397, AK-6541397, UFC-397, Filbur FC-2772, SD-01291; NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only; Poolzilla is an independent brand.

💧【Premier Performance】Our filters are engineered with “Dirt-Trap'' technology that enables the filter to trap more contaminants than traditional round fabric; This results in a cleaner filtration system and a healthier swimming environment; Our filters effectively trap leaves, bugs, sediment, hair, and more.

💧【Long Lifespan】Premium pleated fabric is durable in the harshest conditions; Even with significant contaminant buildup, our filters are designed to maintain maximum flow rates throughout the season; Cleaning the filter is easily done by removing and washing with water; Filter service life is around 1-2 years with proper maintenance.

💧【Purified】Poolzilla filter cartridges offer enhanced water clarity; Visible particles such as sediment, turbidity, sand, silt, and rust will easily be filtered out.

💧【Quality Customer Service】Poolzilla cares deeply about the integrity of our products; We promise a risk-free shopping experience fully backed by our Quality Control, Customer Service and Technical Support Teams, located in New Jersey.