Waterproof non-metallic lockable fiberglass enclosures for remote annunciators, fire alarm control panels or other electronic products which require protection against harsher environments. Resistant to chemical agents, the fiberglass enclosures help guard against vandalism (accidental or intentional), as well as dirt, dust and grime. Covers are lockable or offer a screw-down door. Available with AC and heat, pressure compensation vents, filter fans or drain vent.