AC Infinity Duct Carbon Filter – Premium Odour & Chemical ControlAvailable in 4" (100mm), 6" (150mm), 8" (200mm), 10" (250mm), 12" (300mm) The AC Infinity Duct Carbon Filter is engineered for high-performance odour and chemical removal in grow tents, hydroponic rooms, greenhouses, and ventilation systems. Built with premium-grade Australian Virgin RC412 activated carbon, each filter delivers exceptional adsorption efficiency, long service life, and maximum airflow with minimal restriction. Key Features: Premium Australian RC412 Carbon: Rated at 1200+ IAV with high microporosity for superior adsorption. 38mm Charcoal Bed Thickness: Ensures maximum odour control without compromising airflow. Durable, Corrosion-Resistant Build: Rust-resistant galvanised steel mesh, aluminium flanges, and a powder-coated gunmetal finish. Reversible Flanges: Swap positions to extend the filter’s lifespan by up to 33%. Complete Kit: Includes two machine-washable pre-filter cloths to trap dust and carbon residue, plus two hanging straps for easy installation. Versatile Use: Compatible with inline duct fans for both intake and exhaust configurations in hydroponics, grow rooms, kitchens, and smoking areas. Available Sizes & Specs: Size Duct Opening Length Max Airflow 4" 100mm 13" 210 CFM 6" 150mm 16" 410 CFM 8" 200mm 20" 770 CFM 10" 250mm 24" 1249 CFM 12" 300mm 28" 1668 CFM Why Choose AC Infinity Carbon Filters?Compared to standard carbon filters, AC Infinity’s RC412 charcoal offers higher microporosity, a greater surface area, and a more efficient mesh design. This combination delivers better odour control, longer life, and consistent airflow—making it the premium choice for serious growers.