Check Valve PP NonSlip NonToxic Good Air Tightness Easy Install Air Pump Accessories(1 4in )

Feature: 1. The check valve nozzle is designed with a pagoda shaped slot, which is non slip, non toxic, airtight, and has good adsorption performance 2. The one way check valve is easy to install, convenient for you to unscrew and replace 3. Strong resistance to acid, alkali, and salt corrosion, and can be used for different types of liquids 4. Pressure spring ball valve opening pressure within 2KPA, back pressure 300KPA 5. Commodity material PP, sturdy, durable, sturdy, small in size, easy to carry, easy to install Specification: Item Type: Check Valve Material: PP Sealing: For Viton Rubber Sealing Ring Opening Pressure: within 2KPA Back Pressure: 300KPA. Package List: 1 x Check Valve