The API 6D ball valve is designed in accordance with API 6D, the ball valve is connected by bolts, the seat ring is trunnion mounted, and the spring is loaded to ensure contact with the ball, even if the pressure difference between the cavity and the down
L30 wired earphones with mic deliver superior sound and deep bass with amazing clarity. It is perfectly compatible with all your audio devices due to the 3.5mm audio jack. It also features an in-line HD microphone to make phone calls.