PATIKIL 4" Duct Connector Flange, 2 Pack Straight Pipe Exhaust Flange Stainless Steel Duct Mounting Plate for Heating Cooling Ventilation HVAC System - pta230608tt000078

• Color: Silver Tone. Material: 304 Stainless Steel. Interface Dimensions: 106 x 103 mm / 4.17 x 4.06 inch (OD*ID). Overall Height: 20 mm / 0.8 inch. Base Outer Diameter: 163 mm / 6.42 inch. Screw Hole Diameter: 9 mm / 0.35 inch. Packing List: 2pcs x Duct Connector Advantages: 1. The flange is made of 304 stainless steel, which is anti-rust and wear-resistant, strong in corrosion resistance, not easy to deform, and durable.2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use. Instruction: Method A: Directly used with a duct connector . Method B: Welding it to metal air duct or fan outlet/inlet directly for duct connection. Application: Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. What's more, it can be used on welded exhaust pipe, spiral exhaust pipe, exhaust pipe elbow fittings, fan hose connector. NOTE: Please pay attention to selecting the appropriate connection diameter before placing an order., Manufacturer: PATIKIL