Narwal Freo X Ultra/ J4 / J4 Lite Main Roller Brush Replacement Accessories Parts(Non OEM) 537 *Based on Roborock internal testing

*Based on Roborock internal testing

Optical sensors detect the danger of falling down stairs

and increases mop pressure for a deeper clean

Pack of 2 Bristle Brushes

13 Connecting Panels

Narwal Freo X Ultra/ J4 / J4 Lite Main Roller Brush Replacement Accessories Parts(Non OEM) 537 *Based on Roborock internal testingCompatible Models: Specifically designed Compatible with Narwal Freo X Ultra, J4, and J4 Lite robot vacuums. Direct replacement for worn out main roller brushes. High Quality Plastic Build: Made of durable plastic material to resist abrasion and hair tangling, ensuring long term efficient cleaning. Easy Installation: Plug and play design simply remove the old brush and insert the new one into the vacuums main brush slot. No tools required. Enhanced