Construction: PVDF (Polyvinylidene Fluoride) is an advanced thermoplastic that is superior to other types including PVC, Polypropylene and Polyethylene. PVDF offers higher pressure and temperature handling capabilities. It is resistant to Ozone, Chlorine, Sulfuric and Nitric Acids. The PVDF Injectors offer better abrasion and wear resistance, and are sunlight (UV) resistant. Kisco Sales Inc is the ONLY Online Authorized Distributor of the Agricultural Line of Mazzei Injectors and related products.