In general, Customers prefer to use Linear highbay for storage areas with high shelves due to the rectangle optics, though there is some limitation for it when not utilizing custom aisle-way optics.
1. The ceiling height over 35ft. Linear highbay just don't have the output or beam spread to be effective above 35ft.
2. Harsh conditions such as dust, moisture or water. UFO Highbay is IP65 rated, While there is less optical selection of linear highbay that are designed for this environment.