A dispensing device to release material for the treatment of Air includes a semi permeable substrate which has a Mesh Size between threads by approximately 15 cm approximately 79 threads per cm. And a component of support to sustain the semi permeable substrate.The released material dispensing Device for the Air treatment at a Speed of at least approximately 0.05 mg / h to about 25oC.Un dispositivo dispensador para liberar material para el tratamiento del aire incluye un sustrato semipermeable que tiene un tamaño de malla entre aproximadamente 15 hilos por cm a aproximadamente 79 hilos por cm. y un componente de sostén para sostener el sustrato semipermeable. El dispositivo dispensador libera el material para el tratamiento del aire a una velocidad de al menos aproximadamente 0,05 mg/h a aproximadamente 25ºC.