Creating comfortable space that connects people
![](https://www.ohtsuka-jpn.co.jp/wp-content/uploads/2021/12/duct-1.jpg)
FLEXIBLE DUCT
Flexible duct with excellent flexibility, also used in office buildings and houses built by house-builders
![](https://www.ohtsuka-jpn.co.jp/wp-content/uploads/2021/09/e3a5d7966051711c8aff40b7801f1325.jpg)
SOX DUCT
Extremely low blowing speed creates an environment where you do not feel the blow.
![](https://www.ohtsuka-jpn.co.jp/wp-content/uploads/2021/06/filter-flex-1.jpg)
FILTER FLEX (Disposable SOX)
Extremely low blowing speed creates an environment where you do not feel the blow.