Here is their contact info you could call them and ask.
KAI USA LTD.
18600 SW TETON AVENUE
TUALATIN, OREGON 97062
HOURS
MON - FRI 8AM - 4:30PM (PST)
PHONE 1.800.325.2891 TOLL FREE OR 503.682.1966 LOCALLY
FAX 503.682.7168
EMAIL INFO@KAI-USA.COM
Edited by Eric (07/12/17 06:56 AM)
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Eric