Hardly any air is getting below; could something be blocking the ventilator?

How to say “Hardly any air is getting below; could something be blocking the ventilator?” in Japanese

In Japanese

下(した)にほとんど風(かぜ)が来(こ)ないんだけど、通風筒(つうふうとう)に何(なに)か詰(つ)まってるのかな。

Shita ni hotondo kaze ga konai n da kedo, tsūfūtō ni nanika tsumatteru no kana.

Hardly any air is getting below; could something be blocking the ventilator? in other languages