<div dir="ltr">Is H&H the only one who makes this device?  <div><br></div><div><a href="http://www.hhspecialties.com/576-9.pdf">http://www.hhspecialties.com/576-9.pdf</a><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Bill Conner Fellow of the ASTC</div></div></div>