TracPipe Rectangle Flange Fitting

Up to 400 times more resistant to the damaging effects of electrical energy than yellow CSST. Meets ASTM E84 with respect to flame spread and smoke density. This permits installation in return air plenums. The most complete range of CSST sizes (3/8"- 2") available. No additional manufacturer bonding is required. Lays straighter and pulls easier than competitive CSST. The strength of CounterStrike????makes it is more crush resistant than competitive brands. CounterStrike???? has higher flow ratings compared to competitive brands. Installers save money by using a smaller size CounterStrike???? (ie 3/8" CounterStrike???? versus 1/2" other brand). UL Listed for 1,2, and 4 hour through penetration fire stop systems without removal of the conductive jacket.