Adapter high pressure hose for larger CO2 bottles. Suitable for Grohe Blue Home Water Carbonator. Flexible high pressure hose with connection adapter ACME 21.6ACMW-6G thread for Grohe Blue Home. It has 1 x CO2 hex nut with female thread and 1 x ACME 24 x 6 CO2 connection adapter, allowing direct connection to a large carbon dioxide bottle without a pressure regulator. The ACME 24 x 6 thread adapter replaces the 425g cartridge. The pressure hose connects to a standard carbonated bottle with a 21.8 x 14 W thread. Material: Metal. Color: Silver. Package Contents: 1 x high pressure hose. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.