Grey tank cap / mesuring cup is made by Kirby.
The color is specific to the Generation 3 shade of grey but it fits G series and Sentria models.
Kirby replacement part 308901S and 308901.
This replacement cap will fit the Shampoo tank on the following Kirby vac:
- Sentria 2 (Sentria II)
- G10 and G10D
- The Ultimate G Diamond Edition
- The Ultimate G
- G7D and G7
- Generation 3 and G3D
Same size as Kirby caps 08997S, 308997, 308906S, 308906, 308912S, 308912, 308999S, 308999, 308989S, 308989, 308901S, 308901