AC Infinity Air Filter Box is a heavy-duty filtration system designed to deliver clean, particle-free airflow for indoor gardens and HVAC setups. Built from 1mm cold-rolled steel with durable aluminum duct flanges, it pairs seamlessly with inline fans such as the CLOUDLINE Series to maintain superior air purity. A slide-lock access door allows quick maintenance, while the neoprene lining ensures a tight, dust-free seal. Compatible with standard MERV filters, it captures fine particles including dust, lint, dirt, and odors to protect your grow space or ventilation system. Key Features• 1mm cold-rolled steel construction with sturdy aluminum duct flanges • Weather-resistant design suitable for demanding environments • Slide-lock access door for fast and easy filter replacement • Neoprene interior lining for a perfect, dust-proof seal • Works with standard MERV filters (sizes vary by model) • Ideal for pairing with CLOUDLINE inline fans Applications• Grow rooms, grow tents, and indoor gardening spaces • HVAC and air purification systems needing particle control • Removing dust, lint, dirt, and odors from intake air • Placing at the start of duct runs for maximum filtration performance What’s Included• AC Infinity Air Filter Box • Pleated high-efficiency MERV air filter • Aluminum duct flanges • Slide-lock access panel