Imperial 72121 Trailer Wheel Bearing Protector, 1.98

Highlights:

• Keeps water and dirt out of hubs and bearings.
• Eliminates bearing repacking.
• Quick. positive visual check for lubricant level and internal hub pressure.
• Automatic pressure control feature prevents overfilling and avoids hub seal damage.
• Boat trailer wheels can be safely submerged whithout damaging bearings.
• Includes Bra and Blue Strip.
• Fits hubs with 1.98 opening.