This warranty does not apply to malfunctions caused by the fault or negligence of the buyer or third party, including failure to perform periodic maintenance. No warranty of merchantability or other warranty, expressed or implied, is made. In order to take advantage of this warranty, you must first contact Aeromist, Inc. for a Return Goods Authorization Number. Any defective product must be returned freight prepaid to Aeromist for examination and disposition. Aeromist agrees to be responsible fo