Stripline Diffusers for Outdoor Usage are provided with frame with flat frontal face of 30mm and inner fixed blades inclined at 45 degree, from 27 to 32mm pitch according to sizes. These Stripline Diffusers are used for outdoor installation to take the air from the exterior or to expel the used air in air-conditioning, ventilating and heating systems. These Stripline Diffusers are offered with louvers to prevent rain penetration. Stripline Diffusers for Outdoor Usage are offered in natural aluminium, anodized or powder coated finish.