5-50PCS Wire Diameter 4mm Black NBR O Ring Nitrile O Ring NBR Rubber Sealing O Rings Nitrile Rubber O Rings

Shape: O rings Material: Rubber Color: Black Material: NBR Welcome and I wish you a happy life, my friend.You may also like Ball Valve 1/2'' 3/4'' 1'' 1-1/4'' 2 Inch IP65 Waterproof Motorized Ball Valve 2 Way Brass Electric Ball Valve Big Torque Metal Motor.