EFPB是一款飛機起降時能調節耳咽管壓力的產品，無須電力即可使用。確保耳咽管能順利朝正確方向開啟或收縮，並保持耳咽管內適當壓力值，以此減緩飛機起降所造成耳咽管不適問題。產品可重複使用，操作直覺且不影響飛行過程，更能提升顧客飛行品質。

EFPB

The EFPB is a product that regulates the pressure in the Eustachian tube during takeoff and landing of an airplane and does not require electricity to operate. The EFPB ensures that the Eustachian tube opens and closes in the correct direction and maintains the proper pressure in the Eustachian tube to minimize Eustachian tube discomfort during takeoff and landing. The product is reusable, intuitive to operate and does not interfere with the flight process, thus enhancing the quality of the flight for the customer.