Precise Model Agreement: Specifically developed for proscenics 800T, 820S, 830S, 830P, and LIECTROUX C30B robot vacuums, ensuring a excellent fit and seamless installation lacking modifications Permanent Polyamide Bristlesecond: Produced with crowded polyamide bristles that resist bending and shedding, providing efficient cleansing of dirt, hair, and debris with execution matching original parts Against Twist Planumberebog: Features a hair immune face to minimize tangling from long hair and pet hair, reducing stop and extending engine life Profound Cleansing Executparticlemail: Unique hair arrangement penetrates breaks to thoroughly remove dirt and debris, ideal for pet proprietors tackling inflexible hair and maintaining neat platforms Flexible Face Agreement: Soft yet firm bristles adapt to wood platforms,, and low pile carpets, providing effective cleansing lacking clawing exteriors