Keep hot tub and bath tub water cleaner with these replacement filters. Each filter captures soap, lotion, oil and other debris to help reduce buildup and support longer service life for your main filtration system. Key benefits Captures common contaminants such as soap, lotion and oils to reduce residue in tub water. Simple to use; positions flat at the bottom of a filter basket or compartment. Helps extend the life of the primary filter by trapping sundries before they reach it. Features and specifications Size: approximately 20 cm / 7.9 inch. Package includes 2 pieces of filter. Maintenance: rinse the filter once a week to remove collected debris. every 3 months for consistent performance. Use scenarios Home hot tub maintenance to reduce visible residue and keep filtration systems running more efficiently. Hotels and resorts to maintain water quality in guest spa and bathtub facilities with easy filter swaps. Fitness clubs and wellness centers for routine upkeep of communal tubs and hot bath areas. What to expect Easy placement and weekly rinse maintenance make these filters practical for regular use. Regular replacement every three months helps maintain steady performance and reduces workload on primary filters. Notes Please allow a 1 to 2 cm measurement tolerance due to manual measurement. Actual item color may vary slightly from photos due to monitor differences.