← All assets · 3D models T Tube Expansion Coupling (Pneumatic Tube Mail Exchange) Download GLB (93 KB) Bounded telescopic slip sleeve with gasket body and four retained axial tie bolts. modernrealistickit CC0 — free for any use, no attribution required Type3D model CategoryProps Triangles3.1k StyleRealistic FormatGLB Size93 KB LicenseCC0 SourceCollected by EarthOnline