Description This item is manufactured with premium material for durable and long lasting use. With quality brass fitting and solid construction, it won't rust with excellent durabiliity. Perfect for connecting lines for air, water, fuel, oil and inert gases. Feature - Color: Yellow. - Material: Brass. - Size: About 5.2 x 4.2 x 4.2cm/2 x 1.7 x 1.7inch(LxWxH). - Suitable for using in Automotive, Nautical, Industrial and Commercial applications. - Quality brass fitting and solid construction. It won't rust with excellent durabiliity. - Perfect for connecting lines for air, water, fuel, oil and inert gases. - Solid and strong construction ensures its durability. It won't break, leak and is anti-corrosion.Packing list: 1 x Inline Anti Back Flow Check Coupler Brass Fitting for Fuel Air Water Gas Oil (DN20 3/4)