The Schedule 80 Heavy Duty Fitting by Green Leaf is highly durable and chemical resistant. Compatible with a variety of thread and hose shank combinations, Green Leaf Schedule 80 Heavy Duty Fittings are chosen by distributors for durability and performance in both cold and hot water applications, and are resistant to organic solvents, oils, high impact and high temperatures. Coupling 3/4 Female NPT x 3/4 Female NPT.Lightweight with excellent strength,Used in fluid applications,Designed for easy installation without tools