The Prima Klima K1609 is a refillable Industry Line activated carbon filter designed for odor control in ventilation systems. It features a 4 cm deep bed of CTC75 virgin carbon and includes the K1709 pre-filter. The unit has a 200 mm (8 in) flange, 500 mm body length (without flange), and a 280 mm outer diameter. It is rated for a maximum 1090 m³/h airflow with an optimal 810 m³/h, suitable for medium extraction setups, and can be mounted horizontally or vertically. The filter weighs 8.3 kg with 5.3 kg of activated carbon. Typical service life is around 24 months, depending on air quality and maintenance. Pair with a compatible 200 mm fan and ducting to scrub exhaust air from grow spaces.