GSW 20" Stainless Steel 4-Way Adjustable Air Diffuser for Evaporative Swamp Cooler - 22" Mounting Edge | Perfect for Home, Garage & Outdoor Cooling | Durable Metal Air Vent for Efficient Airflow Distribution

Product Description Product Description: GSW diffuser is made from stainless steel making it durable and longer lasting.For up to 16” diameter round ducts or 16” x 16” rectangle ducts.This product is designed to cover a 16” x 16” hole size. The mounting size is 18” x 18”.Perfect for restaurant and bar.There are a total of 4 adjustable air outlet/shutoff to control where the air will flow.Body dimension: 16”W x 16”L x 6”H.How to Install? A lot of people bought by mistake. Please make sure to measure your installation area before purchase.Step 1: The stainless steel diffuser comes with an 1” width edge at the end of the body. Screw holes are not pre-drilled, please drill hole on each edge.Step 2: Mount screw on each edge to the ceiling.Package Includes: 1 DF-16S Stainless Steel 4-way Adjustable metal diffuser. From the Manufacturer 304 stainless steel 4-Way Adjustable Metal Diffuser for Evaporative/Swamp Cooler, Cover Hole Size 20" x 20". - 304 stainless steel - Body dimension: 20"W x 20"L x 6"H - 1" width edge at the end of the body for easy installation. See image for details. - 4-way adjustable

[Durable]- GSW diffuser is made from stainless steel making it durable and longer lasting.

[Mounting Size]- For up to 16” diameter round ducts or 16” x 16” rectangle ducts.This product is designed to cover a 16” x 16” hole size. The mounting size is 18” x 18”. Please measure your installation area before purchase.

[Versatile]- This stainless steel diffuser is for evaporative/swamp cooler which is perfect for restaurant and bar.

[Easy To Install]- The stainless steel diffuser comes with an 1” width edge at the end of the body for easy installation. Screw holes are not pre-drilled, please drill hole on each edge then mount the screw to the ceiling.

[Adjustable Air Outlet]- There are a total of 4 adjustable air outlet/shutoff to control where the air will flow. Body dimension 16”W x 16”L x 6”H.