Black cap that is also a measuring cup.
Kirby vac part 308999S and 308999 will fit the following Kirby shampoo tanks for the following vacuums:
- G 2001 Limited Edition (G2001)
- G 2000 Limited Edition (G2000)
- G6 and G6D
- Gsix (G six)
- G5 and G5D
- G4 and G4D
- Generation 6
- Generation 5
- Generation 4
Same size as Kirby parts 08997S, 308997, 308906S, 308906, 308912S, 308912, 308999S, 308999, 308989S, 308989, 308901S, 308901
