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Donaldson Engine Systems & Parts’ Spiracal CFS removes crankcase aerosol and particulate using Donaldson’s proprietary Synteq XP, a breakthrough new media that has a lower operating pressure drop, higher overall efficiency (>95 percent) and longer filter life compared to traditional media. Spiracle CFS systems reduce blow-by emissions generated from an open crankcase vent and prevent fouling turbochargers or intercoolers in CCV systems. Spiracle CFS also reduces in-cab fumes and draft tube “road drips,” keeps the engine enclosures free from oil film and reduces engine oil consumption. Spiracle CFS is a serviceable filtration system that employs a custom-designed pressure regulator in CCV systems to reduce excess vacuum and custom-designed pressure relief value to prevent excessive crankcase pressure build-up.