Features: 1. High quality replacement for Mspa Spas & Spas filter cartridges 2. Fits MSpa models Removes dirt, germs, debris and grime, recommended to wash or change filters every 2-3 weeks when active. 3. Replacement filter cartridge for hot tubs and spaspush and twist bayonet adjustment. 4. Helps remove dirt and germs, giving you clean, fresh water. 5. Spa filter cartridge - 1/2 replacement cartridge for Mspa inflatable pool strainer filter. Features: Material: waterproof spunlace + ABS< /p> Colour: Grey Application: Filter Dimensions: (approx) outside diameter x 110mm, height x 88mm. < /p> Package Include: 2pcs x Filter Cartridge NOTE: Transition: 1cm=10 mm = 0.39 inch. 1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-1cm differences due to manual measurement.