Confezione da 12 valvole di ritegno per acquario da 4 mm - Resistenti a olio e ozono - Materiale PP

### **Anti-Backflow** This check valve effectively prevents the backflow of gas or liquid. It boasts excellent thermal properties and strong chemical stability. The valve is **non-toxic** and **odorless**, contributing to safer operation in aquariums. ### **High Pressure Resistance** This check valve possesses sufficient thrust and rigidity to meet practical application requirements within appropriate ranges. This ensures the valve's reliability in a variety of applications. ### **Corrosion Resistant and Durable** This valve exhibits excellent **ozone resistance** and **heat resistance**, making it ideal for use in aquariums, the food and beverage industry, and the chemical industry. The valve is easy to replace, ensuring stable performance. Made of high-quality **PP material**, this check valve is wear-resistant and can be used for extended periods.