HPLC Vials & Caps AI HPLC 2ml Vials & Caps (8-425) A2 HPLC 2ml Vials & Caps (9-425) High quality Unique thread design USP TYPE I Grade OEM Accepted white PTFE/red Silicone septa Nature PTFE/white Silicone speta Nature PTFE/white Silicone spata, 8mm blace screw PP cap, 5.5mm centre hole V8A V8C V8B V8D S8A S8F S8A SC8F8F SC8A8A SC8AA8A