About This 【Large Capacity Dust Bag】Our dust bag has a storage of 2.5L and is made of four layers of material. Precise buckle and sealing strip design prevents dust leakage. High-strength materials make the dust bag wear-resistant, reducing replacement frequency. Sturdy and large capacity. It will not break while holding more garbage. It is a must-have item for families with i Robot Room ba Plus 505 Combo Robot Vacuum Cleaner 【High Quality】 Brushes are made of high-quality materials. The rubber main brush efficiently collects impurities like dust and hair. The nylon bristles of the side brushes reach deep into crevices and protect the floor from scratches. 【Compatible Models】 For i Robot Room ba Plus 405 / 505 Combo robot vacuum. Please confirm your machine model before ordering. Includes 2 main brushes, 6 dust bags, 6 mop pads, 4 filters, 6 side brushes and 1 cleaning tool. 【Premium-Quality Materials】Brushes are made of high-quality materials. The rubber main brush efficiently collects impurities like dust and hair. The nylon bristles of the side brushes reach deep into crevices and protect the floor from scratches 【High Efficiency HEPA Filter】The HEPA filters in i Robot Room ba Plus 505 Combo accessory kit are made of composite materials with rigid housing. They are full of advantages: washable, reusable and easy to install