Lay-Z-Spa Filter Cartridge (12 Pack) badge_New and they are able to

and they are able to change direction by themselves

Wireless and lightweight vacuum for hot tubs and small pools

Includes 25 Dip Test Strips to test the water

one head features a brush to effectively remove the debris from the bottom of the pool while another nozzle is a standard vacuum head

Lay-Z-Spa Filter Cartridge (12 Pack) badge_New and they are able toPack of 12 official Lay Z Spa Filter Cartridges (VI) Keeps the water clean and clear by filtering out debris and small particles Easy to install into the Lay Z Spa filter housing Worn out filters will not work effectively and increase risk of losing water quality Please note: Damage caused by unofficial filters may invalidate your warranty