Air Compressor Pressure Relief Valve Safety Release Valves for 3L/5L/8L Backpack Sprayer

Features: 1.Made of PP material, environmental-friendly, sturdy and durable to use. 2. Easy and convenient to install. 3.Perfect replacement for the old or broken valve. 4.All finishes are non-toxic, safe and Eco-friendly. 5.Suitable for 3L/5L/8L backpack type sprayer. Specifications: Material: PP Length: Approx. 5cm / 1.97"" Working Principle: Shoulder Safety Valve Package List: 1* Pressure Relief Valve .