The filter devices may only be used for the intended purpose. The devices must be handled properly and with care and only be operated by authorized personnel who are familiar with the instructions for use.
Any damage caused by improper use will be covered by the tenant or the tenant's insurance. In the event of damage, the landlord must be informed immediately.
The filter devices with all accessories and documents must be returned in proper condition immediately after the agreed rental period has expired. Only the original packaging is to be used for this.
In the event of an unauthorized extension, the additional rental period will be charged according to the agreed conditions.
If the device is damaged or parts are missing, these will be repaired or replaced at the expense of the lessee.