[Compatible Models]compatible with for i3+i3 Plus (3550)i4+(4552)i6+ 6 Plus (6550)i7(7150)i7+ i7 Plus (7550)i8 i8+(8550)j7 j7+ ( 7550) 50)s999(9150), s9+ s9 plus (9550, 955020) sweeping robot. Suitable for i, s and J series vacuum cleaner models. Highly efficient filtration: the vacuum cleaner bag consists of a fine fibre filter layer and a non-woven fabric. The high density fabric ensures that for the vacuum bag is completely sturdy and durable and will not be damaged. It is not damaged by sharp-edged residue inside and can effectively filter 99.99% of dirt and dust particles. Advanced anti-leak technology: improved handle with push-pull design, strong seal, made of cast fabric and silicone seal, without any risk of leakage, the particles sucked off by the vacuum bag are not easily released back into the air, which detects automatic decontamination bag. High strength and durability to prevent secondary dust. [Large Capacity Replacement Bags]The large capacity can collect more dirt and garbage. Each automatic dirt removal bag with cleaning base can absorb the dirt and deposits of 30 dust collection boxes. No frequent replacement required, leaving your hands free. Installation and replacement: the replacement part for is just as easy to install as the accessories. Simply take out the used dust bag and replace it with a new one. It is recommended to replace the dust bag every 2-3 months to maintain the performance of the vacuum cleaner and extend its service life.NOTE: Check your machine model before ordering. Material: non-woven fabric colour: As Shown Package Contents: 16 x Dust bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.