Hey Ecovacs Deebot T20 Omni owners! Keep your robot vacuum running like new with this complete GYLBF replacement parts kit. This comprehensive set has everything you need for regular maintenance: 1 main brush, 2 HEPA filters, 4 side brushes, 4 reusable mop pads, and 4 dust bags - plus 2 cleaning brushes to help with upkeep. The main brush combines rubber strips and nylon bristles to effectively grab dust and debris from both hard floors and carpets, while the anti-winding side brushes prevent hair tangles (every pet owner's dream!). The mop pads are seriously absorbent and spread water evenly for superior floor cleaning, plus they're reusable so you can wash and use them multiple times. The dust bags feature 4 filtration layers including activated carbon that actually absorbs odors - your home will smell fresher between changes. Quick tip about the side brushes: if they arrive with bent bristles from shipping, just soak them in hot water for a few minutes, let them dry, and they'll be good as new! These aren't original Ecovacs parts, but they come from the same OEM factory using identical materials and processes, so you're getting the same performance without the brand-name price tag. Perfect for maintaining your T20 Omni or T20 e Omni's cleaning power between official service intervals. Your robot vacuum will thank you with better performance and longer life!