Stainless Steel Vent Cap 1. Dia 100mm-305mm 2. Stainless steel ,SS304 (0.5mm), ... SS201(0.34mm) 3. errosion resistance Stainless Steel Vent Cap for HVAC systems 1. Apply for ventilationWith mesh proof inserts ... air duct, vent duct, ship duct, elbow, connector, flanger, reducer, damper, tee, and many other ventilation accessories. Stainless Steel Vent ...