• 【Type I Pool Filter Cartridge】 Type I replacement filter cartridge is a part of your routine maintenance for your swimming pool or hot tub cleaning. Inner diameter：1.2 inches.Outer diameter: 3.1 inches; Total height: 3.5 inches.For 300/330 gal/h filter and fits some pumps with Type I filters.
• 【Easily to clean the pool filter cartridge】This spa pool filter element could make sure the water clean and fresh. Helps Pool to get rid of build-up and debris by collecting pool gunk! This spa filter cartridge efficiently removes hair, leaves, dust, sediment, sand, etc. Strong Filtration can protect the heater and pump from dust, thus avoiding secondary pollution.
• 【Premium Quality of pool filter】The type I filter cartridge is made from Dacron material, easy to clean and replace, washable and reusable.
• 【Kindly Note】 Replace filter cartridge replacement with a new one every two weeks for maximum efficiency - Easy to clean when necessary, Scrub with a Cartridge Cleaner Tool, then wash under a strong water pressure to remove loose particles from the filters fabric.
• 8 Pack

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty