Inquiry (采购产品): Alliance heat exchange flange Looking for product to secure 1/2" O2 free tubing under subfloor. Need enough for 750 LF. Thanks, Fred Floth **** Hidden Message ***** Fred Floth 106 Blue Jay Drive Placerville,, CA 95667 USA Company: Floth Planning Phone: 530 621 1263 E-mail: floth@comcast.ner **** Hidden Message ***** floth@comcast.ner