Exterior surfaces of all racks, switches, RPS's, UPS's...etc are carefully vacuumed using intense HEPA filter vacuums and wiped clean using lint-free cloths and anti-static cleaners safe for use on sensitive equipment.
Why is network closet cleaning important?
Keep your closets free from dust, dirt and other contaminants to prevent their entry into equipment, which could cause overheating and unnecessary downtime.