427 Marble Mill Road NW. Crux Laboratory and Medical Brokers, LLC is not responsible or held liable for equipment that is not properly serviced before patient use. If equipment is within the preventative maintenance period it will be mentioned in the listing, but will still need to be checked by a bio-technician before entering service. If equipment we sell is certified refurbished, we will mention the servicing in the sale along with the receipts/service provider we used for the refurbishing.