Previous Product Next Product Air Box 4 – Stealth Edition – 3500CFM – 12″ $600.00 SKU: O0006 Category: Filters Related products Quick View Quick View FiltersCan Filter 100 – 840 CFM $320.00 Quick View Quick View FiltersHydrologic – Evolution RO1000 High Flow Reverse Osmosis Filter $850.00 Quick View Quick View FiltersCan Filter 75 – 600 CFM $280.00