The Tamiya 7800173 Internal Hose fits directly inside Tamiya Spray-Work systems 74501 and 74520 to secure internal air routing. It helps preserve steady airflow for painting and finishing tasks.
Made to match the internal layout of Spray-Work models 74501 and 74520, this hose ensures reliable connection between components. It is a small, serviceable part that supports consistent airbrush output.
Replacing the internal hose is a straightforward task that most hobbyists can perform quickly. The hose installs without complex adjustments, reducing downtime during maintenance.
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