✅【Premium Material】This pressure relief valve is made of PP material, environmental-friendly, sturdy and durable to use. You can buy and use with confidence. ✅【Safe to Use】All finishes are non-toxic, safe and eco-friendly. Simple and easy to install, this safety release valve is a must-have utility for the watering part of your garden sprayer. ✅【Easy to Replace】This air compressor pressure reducing valve has fine workmanship and provides good protection for the internal parts. Perfect replacement for the old or broken valve. ✅【Fit for】This safety release valve is suitable for 3L/5L/8L backpack type sprayer, also can be used for garden sprayer watering part. ✅【Service Guarantee】If you have any question or any unsatisfactory about the product, you can contact our customer service at any time, our team will response you in 24 hours., Manufacturer: Qiter