Filter Regulators. Modular combination filter, regulator air preparation systems with a compact, space saving design. Available with a manual drain or automatic pulse drain and with or without a ball valve for isolation. Modular design with integrated ports Robust ; lightweight aluminium construction Filter ; regulator functions combined into a single product High efficiency 5 micron element as standard Excellent water removal Available in a variety of secondary pressure ranges Secondary aspiration ; balanced poppet provide quick response ; accurate pressure regulation Relieving ; non-relieving options One hand operation for easy cartridge removal Positive bayonet latch to ensure correct ; safe fitting