Feature：

➤ Slightly narrow entrance for better sealing to achieve more consistent power output.
➤ C-Clip to enhance lip stiffness for further sealing.
➤ Special pressure point geometry for improved long range performance.
➤ 50 degree.

➤ Slightly narrow entrance for better sealing to achieve more consistent power output.
➤ C-Clip to enhance lip stiffness for further sealing.
➤ Special pressure point geometry for improved long range performance.
➤ 60 degree.

➤ Slightly narrow entrance for better sealing to achieve more consistent power output.
➤ C-Clip to enhance lip stiffness for further sealing.
➤ Special pressure point geometry for improved long range performance.
➤ 70 degree.

➤ Slightly narrow entrance for better sealing to achieve more consistent power output.
➤ C-Clip to enhance lip stiffness for further sealing.
➤ Special pressure point geometry for improved long range performance.
➤ 75 degree.

➤ Slightly narrow entrance for better sealing to achieve more consistent power output.
➤ C-Clip to enhance lip stiffness for further sealing.
➤ Special pressure point geometry for improved long range performance.
➤ 80 degree.