方形散流器、矩形散流器，兩面吹、三面吹、四面吹散流器 
方形散流器具有良好的散流特性和美觀的外形，廣泛應用于空調系統中作送風口，其結構形式有多樣，有1--4個不同方向散流的形式 ，能滿足所有類型天花板的要求，散流器外框和內芯可分離，拆裝容易，便于調節風量根據使用要求，散流器后端可配制風量調節閥（OBD）。
 
一、square air diffuser
The blowing inlet port can be divided into more than 10 forms, forming 1 to 4 different blowing directions. It can be used with bisecting multi-vane adjusting valve or single vane opening blast volume adjusting valve with a valve-board pattern. It is removable and mainly used in the convenient air conditionings for public affairs.
Characteristic:
1、The multiplayer cone divided the air into many layers of swift puffs, quickly mixing the inlet air and the interior air together.
2、Swiftly balancing the temperature of airflow and slowing the velocity of airflow avoid dust wind.
The outline border and the inside vane of the cone are of detachable structure, easy to install and adjust.
3、Be made of Aluminum or iron
4、With a sealed spongy gasket