HErtL Accessories,Vent Cap Wall Round Exhaust Hood Spherical Air Valve Grill Cover, Round Soffit Air Vent 2"-12" Dryer Vent Cover Stainless Steel, with Screen Mesh, Weatherproof Outlet Cove

Instructions for use:1: Before maintenance: release the pipeline pressure and put the valve in the open position; disconnect the power supply or gas source; separate the actuator from the bracket2: Make sure that the pressure on the upstream and downstream pipelines of the ball valve has been relieved before disassembly and disassembly3: Be careful to prevent damage to the sealing surface of the parts during disassembly and reassembly, especially non-metallic parts. Use special tools to remove the O-ring4: The bolts on the flange must be tightened symmetrically, step by step, and evenly during assembly

• ★High quality,The front slats inside the ventilation hood are inclined at 45 degrees, and the wall ventilation hood can prevents rain and snow from entering the room and keep it stable. There is also a relatively thick stainless steel truss inside, which can prevents small stones, gravel, small animals from entering, and avoid blockage
• ★Precision,Weatherproof cover is suitable for all sizes and diameters of ventilation ducts, such as air conditioners, kitchen fans and ventilation systems, bathrooms and all domestic wall fans, and various industrial types
• ★Easy to operate,The ventilation hood is made of thickened 304 stainless steel, with a certain thickness and weight, sturdy and durable, not easy to deform, the surface is frosted, not rusty, suitable for indoor and outdoor use
• ★long lasting,There are three fixing buckles on the bottom of the breathable cover, which are easy to adjust and more firmly fixed. Two screws are fixed on the wall, firm and stable without falling off
• ★The outer ventilation cover is hemispherical to block wind and rain, while the louver is designed to prevent rainwater from leaking into the pipe.