3. The sealing ring adopts up-and-down stress structure, which never leak. 4. All raw materials meet ROHS test standards. 2. Stainless steel beads are embedded in the impeller, which is always wear-. 1. This product is light and convenient in appearance, small in size and convenient to install. 5. The standard G3/4 threaded interface is simpler and to install., Weight: 0.1543235834 pounds, Manufacturer: Frewurwer