Eureka Sanitaire SC899 Quick Kleen 16 Inch Vacuum Base Assembly. 

Comes boxed with 2 end caps and 2 rubber pieces which fit onto the end caps. 

16 inch less fan cover hex end brushroll red base. 

Quick Kleen base with Latch type coupling. 

Fits Eureka Sanitaire Models: SC899D, SC899E-1. 

Manufacturer Part No.: 53500-4

E-53500-3