TR-6310E, 3M™ Versaflo™ A2P Filter - Organic gases and vapors (boiling point > 65°C) and particles The TR-6310E is an A2P filter for use with the 3M™ Versaflo™ Powered Air Turbo Unit TR-600. Attach the filter directly to the turbo unit. 3M recommends using it with the TR-6300FC Filter Cover for protection against physical damage. The TR-6300FC Filter Cover is also used to hold the TR-6600 Prefilter or the TR-662 Spark Arrestor. 3M recommends using it with the TR6300FC filter cover for protection against physical damage. Replace in case of saturation, damage, or wear. Original 3M™ accessories. The 3M A2 filter is suitable for hazards such as organic gases and vapors.