Dxyue 2 Pack Replacement Pre Filter for Tineco A10 A11 Hero Master, PURE ONE S11 S12 Cordless Vacuum Cleaner Accessories 

The pre filter compatible with Tineco A10 A11 Hero A10 A11 Master A10 A11, PURE ONE S11 S12 Series Cordless Vacuum Cleaners. The larger area hollow-out design allows the vacuum cleaner to exert greater suction. Easy to install, As part of normal maintenance, it can be easily removed and replaced. so you can get back to cleaning as soon as possible! Simply remove your old filter and put this brand new one in it's place. Before replacing, please prepare a cross screwdriver. Replacement Filter: They trap fine dust preventing them from recirculating into the air of your home. It is important to clean and replace them regularly for them to work. A dirty filter will greatly reduce suction power. Depending on the vacuuming frequency and amount of dirt cleaned, for optimum performance, change the filter at least every 3 to 6 months. Weight: 50g