AC Infinity 4" Pre-Filter Cloth 2-Pack | Carbon Inline Filter Sleeves

Protect your ventilation system and extend the lifespan of your carbon filter with the AC Infinity 4-Inch Pre-Filter Cloth 2-Pack. These premium, washable fabric sleeves act as a crucial first line of defence. They trap dust, lint, pollen, and other large airborne particles before they can clog your charcoal core. This essential maintenance step ensures optimal airflow and maintains peak odour-control efficiency inside grow tents, hydroponic rooms, and HVAC setups. Designed with a flexible, high-elasticity fit, these cloths slide effortlessly over any standard 4-inch inline carbon filter. Keep your ventilation running smoothly and cost-effectively with this reusable, durable maintenance twin pack.