Solidifying agent built-in type, discharge (without solidifying agent) type
Can be used as solidifying agent built-in type by attaching a solidifying agent unit to the discharge type as needed.
From left to right in the image on the left.
1) Discharge type 2L pre
2) Solidifying agent built-in type 2L pre
3) Discharge type 2L final
4) Solidifying agent built-in type 2L final
5) Solidifying agent unit