Inspection records, hatches or access covers for circular or rectangular duct.
Installation according to mandatory standards CTE DBSI, UNE 100-030-094 prevention against legionella and UNE 100-165-2004 regarding the smoke extraction in kitchen´s hoods.
The registry, lids or inspection hatches for ducting in installations of ventilation are obliged as ...
The registry, lids or inspection hatches for ducting in installations of ventilation are obliged as ...