Speedaire 4ZL55 is an inline pneumatic oil filter (coalescing type) for compressed-air systems, designed to remove oil aerosols and moisture before entering downstream components. It uses 3/4 in NPT connections, filters to 0.01 micron, supports up to 60 CFM, and is rated for up to 150 psi. The compact 7 oz housing enables easy inline installation in tight spaces along pneumatic lines.
