... chamber for semi trailer spring brake chamber booster,T24,T30,T24/24,T30/30 Brake chamber for semi trailerspring brake ... chamber, various size for your selection, single or double, good quality, exported south american ... T24/30 T30/30color : yellow and blackgood quality against competitve priceWORKING TEMPERATURE:-40---80 DEGREELIFE TIME : SERVICE TIME : more ...