270Pcs O-Ring Seals Set Vehicle Kit For Car A/C System Air ConditioningFEATURES:-Nitrile Rubber (NBR), 270pcs, 18 popular sizes.-It is suitable for car, door, window, electric appliance, bearing, pump, carrier roller Auto, Home Appliances, Fittings, A/C Manifold and more-No pollution, no radiation, no abnormal smell, environmental friendly-Hydrogenated Nitrile Butadiene (HNBR), also known as Highly Saturated Nitrile (HSN) is a special class of nitrile rubber (NBR) and is for mission critical applications-HNBR can be formulated to meet the application temperatures ranging from -45 ° C to 165 ° C, and HNBR is classified by ASTM as DH-type polymerSPECIFICATIONS:-Material: Rubber-Housing Color: Green-Box size: Approx. 20.5x10.5x3cm/ 8.07x4.13x1.18inch (LxWxH)Type size: 18 sizes-20pcs - (Diameter)5.29*(Thickness)1.78mm-20pcs - (Diameter)6.07*(Thickness)1.78mm-20pcs - (Diameter)6.8*(Thickness)1.9mm-20pcs - (Diameter)7.68*(Thickness)1.78mm-20pcs - (Diameter)7.8*(Thickness)1.9mm-20pcs - (Diameter)8*(Thickness)2mm-20pcs - (Diameter)8.8*(Thickness)1.9mm-15pcs - (Diameter)10.82*(Thickness)1.78mm-15pcs - (Diameter)10.77*(Thickness)2.62mm-15pcs - (Diameter)11*(Thickness)2mm-15pcs - (Diameter)12*(Thickness)2mm-10pcs - (Diameter)13.9* (Thickness)1.8mm-10pcs - (Diameter)13.95* (Thickness)2.62mm-10pcs - (Diameter)14*(Thickness)2mm-10pcs - (Diameter)15*(Thickness)2mm-10pcs - (Diameter)17*(Thickness)2mm-10pcs - (Diameter)17.17*(Thickness)1.78mm-10pcs - (Diameter)17.04*(Thickness)3.53mmPackage Include:-1x 270Pcs 18 Sizes O-ring Kit