APC Preventive Maintenance Visit: for UPS 20 kVA, On-site

APC Preventive Maintenance Visit - Technical support - preventive maintenance (for UPS 20 kVA) - on-site - for P/N: G35T20K3IS, G35T20KF2B4S, G35T20KF3B4S, G35T20KF4B4S, SUVTJP20KF2B4S, SUVTRTF20KB5F