CAN-Original have a 2.5 inch carbon. It also reduces pressure as air moves through it. Contains Virgin Activated Carbon specially formulated to meet your criteria! Activated carbon is available in pelletized form, which prevents it from falling through small areas in the filter. When you need the cleanest air, CAN-Original Filter will be the best product for you! CAN-Original provides the best control over odors thanks to activated carbon - CKV-3-4mm. The special dimensions and large surface area provide a completely clean air flow with 99% odor removal Recommended Ventilation ISO-MAX 250/1480 ISO-MAX 315/2380 MAX-FAN PRO 250/1660 Accessories: Antipolen Filter Ф350mm Prefilter for anti-pol filter F355
