... with the best competitive prices as well. Input pressure options: 3000psi, 4500psi, 5000psi Output pressure options: 500psi, 850psi, 1250psi, 1800psi and above ... , gauge, O ring, pin etc.The inlet pressure from 3000psi, 4500psi and 5000psi the output pressure can be from 500psi, 800psi, 850pis, 900psi ...