<https://www.halton.com/fr/products/fdh-h0h120-fire-and-gas-damper-against-hydrocarbon-fire/#webpage>
<http://schema.org/description>
"Halton FDH H0(H120) fire and gas damper is a tighter fire and gas damper and an excellent choice for offshore, marine and navy ventilation systems."
<https://halton.dev/fr/products/fdh-h0h120-fire-and-gas-damper-against-hydrocarbon-fire/>