Complete stainless steel HVAC ventilation pipe fitting asset fully modeled with 3ds Max compatible with V-Ray Premium.This asset package contains full series of ventilation components: straight ducts, 90-degree elbows, flexible corrugated tubes, tee joints, four-way connectors, end caps, louver air outlets, swirl vents and pipeline fixing brackets, unified polished metal PBR texture.All pipeline and vent models feature neat uniform topology and optimized low-poly mesh without broken surfaces or overlapping geometry.Suitable for factory workshop rendering, central air conditioning design, kitchen exhaust system layout, commercial mall ventilation engineering and mechanical equipment scene presentation projects.Package contains original MAX source file with V-Ray Premium material preset, universal FBX and standard OBJ files, all format files have passed full import testing available for personal and authorized commercial design projects.