Intex 29001E PureSpa Type S1 Easy Set Spa Replacement Cartridges, 72 Pack

Powerful and useful cartridge filter set keeps your PureSpa Jet Massage water clear and fresh, making for a more relaxing spa experience Maintains and cleans easily with heavy-duty Dacron paper, providing the ultimate filtration for your hot tub For maximum efficiency, clean cartridges each week and replace them once per month or sooner Designed for keeping your hot tub and sap safe and clean, working hard to increase the performance of your pool Works with all Intex PureSpa models including 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E Diameter: 4.25 inches Model number: 29001E Dimensions (L x W x H): 4.25 x 4.25 x 2.88 inches Weight: 0.56 pounds Manufacturer warranty: 1-year warranty Quantity: 72