Keep your 40mm fans clean and free from debris with the ORION FANS GRM40-30 Plastic Filter Kit. Designed specifically for 40mm fans, this filter kit effectively prevents dust, dirt, and other particles from entering your equipment. The durable plastic construction ensures long-lasting performance, while the easy installation process makes maintenance quick and hassle-free. Keep your fans running smoothly and improve overall system performance with the ORION FANS GRM40-30 Plastic Filter Kit for 40mm fans.