MADE IN THE USA REPLACEMENT O-RING FOR SEALING NORDFAB'S QUICK-FIT ADJUSTABLE NIPPLE. BLACK O-RINGS ARE PROVIDED AS STANDARD WITH ADJUSTABLE NIPPLES. WHEN ORDERING REPLACEMENTS SPECIFY BLACK FOR STANDARD APPLICATIONS. SPECIFY RED FOR HIGH TEMPERATURES. BLACK O-RING CONSTRUCTION MATERIAL IS BUNA-N. RED O-RING MATERIAL IS SILICONE RUBBER. MANY BENEFITS OF NORDFAB'S QUICK-FIT DUCTWORK UL STYLE""""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"""" YOU CAN JUST CLAMP IT TOGETHER NORDFAB'S QUICK-FIT DUCTWORK COMPONENTS HAVE A ROLLED EDGE ON THE ENDS WHICH PROVIDES EASY CONNECTION TO OTHER COMPONENTS WITH USE OF A BARREL-TYPE CLAMP. A SPECIALLY DESIGNED GASKET INSIDE THE CLAMP SEALS THE JOINT TIGHTLY. INSTALLERS SIMPLY AND QUICKLY CLAMP EACH PIECE TOGETHER WITHOUT ANY SPECIAL TOOLS. THE TELESCOPING QUICK-FIT ADJUSTABLE NIPPLE ELIMINATES PRECISE MEASUREMENTS. IT IS EASY & FAST TO INSTALL BECAUSE NORDFAB'S DUCTING SYSTEMS CLAMP TOGETHER NO RIVETS SCREWS OR WELDING ARE NEEDED. THIS CUTS INSTALLATION AND DOWNTIME BY MORE THAN 45 COMPARED TO FLANGED DUCTWORK INSTALLATION. IT'S RE-USEABLE QUICK-FIT DUCTING IS EASY TO UNINSTALL AND RELOCATE AS YOUR NEEDS CHANGE. IT'S EASY TO CLEAN QUICK-FIT DUCTING IS EASY TO REMOVE CLEAN AND RE-INSTALL WITHOUT TOOLS.
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