Bestway Pool Filter Cartridge (Size 4) badge_New Specially designed for use on

Specially designed for use on vinyl material and safe to use on all inflatable hot tubs and above ground pools

Extremely effective way to kill bacteria & harmful organisms

Reduces pH levels in pools and hot tubs

Please note: Damage caused by unofficial filters may invalidate your warranty

Slow-release tablets last 3-5 days

Bestway Pool Filter Cartridge (Size 4) badge_New Specially designed for use onThe Filter Cartridge (Size 4, type B) by Bestway is designed for 9,463L (2,500gal) per hour filter pumps; helping to keep your pool in optimum working condition Easy to clean and simple to use; these pool filter cartridges take no time to at all to rinse out Keep pool water clean and healthy and prevent the build up of grime and dirt with these swimming pool filter cartridges Filter out dirt and grime; replace the pool filter cartridge every 2 weeks