NMB/K3 High temperature bearing (optional with waterproof design)
Common model blade.
1. The blender blade bearing is naked, without any protection. 2. The bearing easy to get rust after touch water. 3. Can’t put jar into dishwasher to clean.
Upgraded model blade.
1. The blender blade bearing is packed, with protection of oil seal and metal lid. 2. The bearing never touch water. 3. Can put jar into dishwasher to clean.