2-Pack 30 sq.ft Hot Tub Filters for Pleatco PWK30, Unicel C-6430, Watkins 31489, Filbur FC-3915 Hot Springs Spa Filters Replacement Cartridge

It is recommended to clean the pool filter cartridges once a month to maximize the service life of the filter.. 【Save Your Bill】The cartridge is easy to clean for reuse, greatly saving your money on the aqua bill, providing you with more time to enjoy the pool. 【Extremely Durable】Feature spunbond polyester and strong inner core, the filter cartridge can withstand extremely high-pressure aqua flow. 【Powerful Filtration】 Made of advanced trilobal fabric, effectively collecting large amount of debris or hair, getting the aqua clean and run smoother. 【Dimension】 With an outer diameter of 5-7/8'', inner diameter of 1-15/16'' and a height of 10-1/2'', definitely suitable with your filter perfectly. All manufacturers' names and part numbers are used for compatibility information only. 【Perfect Fit】 Replaces for Unicel C-6430/C-6330/C-6430RA, Pleatco PWK30/PWK30-M/PWK30-3, Filbur FC-3915/FC-3915M, Watkins 30/Hot Springs/31489/71825; works with Hot Spot Spa, Sovereign, Solana Spas and more