The Systemair CarboAir Inline Carbon Filter is designed to effectively control odours in hydroponics systems. With a 15 cm diameter and 74 cm length, this silver filter utilizes activated carbon filtration technology to capture contaminants such as odours. With a filter life of 24 months and origin from the Netherlands, this carbon filter is a reliable choice for improving indoor air quality by purifying the air and removing unpleasant odours. Perfect for use with air purifiers and exhaust fans, this CarboAir filter is a must-have for maintaining a clean and fresh environment.