Features: Stainless steel strainer filters out all impurities. Adopts standard G1/4'' dual spiral thread to make connection very stable and solid. Made of brass, aluminium alloy and quartz glass, which make this dual spiral filter connector a perfect choice for high-end fancier computers. Suitable for British system 3/8'' wrench. The end with strainer is an outlet, the other end with no strainer is an inlet. Specification: Product type: Dual Spiral Filter Connector Material: Brass, aluminium alloy, quartz glass Thread: G1/4'' Suitable wrench: British system 3/8'' wrench Color: Black body black head, black body silver head, silver body black head, silver body silver head, blue body black head, blue body silver head, red body black head, red body silver head for your choice Package size: approx. 8 * 6 * 2.3 cm/ 3.1 * 2.4 * 0.9 in Package weight: 63g/ 2.22oz Package List: 1 * Dual Spiral Filter Connector 1、Stainless steel strainer filters out all impurities. 2、Adopts standard G1/4'' dual spiral thread to make connection very stable and solid. 3、Made of brass, aluminium alloy and quartz glass, which make this dual spiral filter connector a perfect choice for high-end fancier computers. 4、Suitable for British system 3/8'' wrench. 5、The end with strainer is an outlet, the other end with no strainer is an inlet.