Description 1/4"NPT; maximum 15 CFM; maximum 12" psi. Ideal for spray guns (point-of-use). 4"micron, porous bronze element removes fine dirt particles, as oil removing media removes oil vapor and desiccant beads adsorb water vapor. Attaches directly to spray gun or mini regulator located on spray gun. Unit is bi-directional with 1/4"NPT. Blue desiccant beads lower the dew point to -30&