Circular ducts of ventilation and acclimatization.

• material: galvanized or stainless steel with thickness between 0.5 to 2 mm.
• product name: bend 90 º
  
• article diameter: D850
• average radius: R775
• number of segments: S1+2 - 1 middle segment si 2 end segments;
• square feet of material,
• is executed on base of command,
• the price is for one piece.