Juniper QFX5120 Series Hardware Manual page 160

Do not use multipurpose Type ABC chemical fire extinguishers (dry chemical fire extinguishers). The
primary ingredient in these fire extinguishers is monoammonium phosphate, which is very sticky and
difficult to clean. In addition, in the presence of minute amounts of moisture, monoammonium phosphate
can become highly corrosive and corrodes most metals.
Any equipment in a room in which a chemical fire extinguisher has been discharged is subject to premature
failure and unreliable operation. The equipment is considered to be irreparably damaged.
NOTE: To keep warranties effective, do not use a dry chemical fire extinguisher to control a fire
at or near a Juniper Networks device. If a dry chemical fire extinguisher is used, the unit is no longer
eligible for coverage under a service agreement.
We recommend that you dispose of any irreparably damaged equipment in an environmentally responsible
manner.
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