
Fire-resistant and quasi-fire-resistant buildings, as well as sleeves for ventilation in quasi-fire-resistant specifications, are required to be non-combustible according to laws and related administrative regulations!

In Fukagawa, we are engaged in duct manufacturing!

Eliminate the fishy smell of seafood refreshingly! It can handle large volumes of odors while being compact.

Compared to metal ducts, installation time is only 20%! The revolutionary fabric air conditioning duct "Diffuser" is easy to install and has performance that is equal to or better than that of metal ducts.

The flexible hose can now be insulated afterwards!