The AF Invertible sprayduster will solve your problems of hard to tackle dust and debris. This non-flammable sprayduster is ideal for use with keyboards, computers, printers and much more. Includes an actuator so that the user can control the power of the blast, additionally containing an extension tube to ensure that you can clean the inaccessible areas. Can be used at an angle for the delicate areas of optical and electrical equipment. Liquid contents may cause frostbite if sprayed directly onto skin. Excellent for use on various hard to reach areas for ultimate dust free equipment and surfaces. Fully compliant with changing F-gas regulations as of 1/1/18.