NORITZ TANKLESS WATER HEATER CONCENTRIC 90 DEGREE VENT PIPE ELBOW, STAINLESS STEELNoritz concentric N-Vent is approved for use with Noritz DVC tankless series exhaust installations at a fraction of the industry standard cost. Noritz supplies easy-to-connect venting components without the need to tighten as it has a quick-snap feature that allows for an easy connection while forming a tight seal. | Push-on connection | Single-wall penetration | No need to cut - adjustable for easy installation | Zero clearance to combustibles | Use of superior anti-corrosion material for outlet port | Heat and chemical resistant rubber o-ring for secure sealing | Superior design