For converting standard versions with a short housing into a version with a long housing. Conversion possible directly on site. Protects motor and impeller. Protected against the weather by sheet steel with epoxy coating. Special design: Casing extensions for sizes 140 and 160 are available on request: GVI 125, material: sheet steel, epoxy-coated, colour: grey, weight: 65 kg, weight with packaging: 65 kg, width: 1380 mm, height: 1380 mm, depth: 410 mm, width with packaging: 1380 mm, height with packaging: 1380 mm, depth with packaging: 410 mm.