Airtight round duct connection – NSK-T 400 rubber‑sealed flange, ideal for ventilation, heating and industrial systems, made from galvanised steel - excellent corrosion resistance, flexibility, and long service life. Its quick and easy installation requires.
NSK-T 500 - 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.
Airtight round duct connection – NSK-T 630 rubber‑sealed flange, ideal for ventilation, heating and industrial systems, made from galvanised steel - excellent corrosion resistance, flexibility, and long service life. Its quick and easy installation requires.