NSK-T 250 - quick‑install ventilation flange is a high‑quality solution for connecting round air ducts or ventilation pipes to flat. Made from galvanised steel with a double rubber gasket – excellent airtightness and durability.
NSK-T 315 - quick‑install ventilation flange is a high‑quality solution for connecting round air ducts or ventilation pipes to flat. Made from galvanised steel with a double rubber gasket – excellent airtightness and durability.