Extension set for roof duct for installation of the PPB 30. Extension of the inner fluid channel. Necessary accessories for the final assembly sets PPB 30 K and PPB 30 O in conjunction with the roof duct sleeves PP45 DFHK or PP45 DFHL. Scope of delivery: extension sleeve 2000 mm long, Ø 90 mm, 1 centering ring.Article: PPB 30 VSDF, material: plastic, color: gray, weight: 2.6 kg, weight with packaging: 2.82 kg, width: 90 mm, height: 90 mm, depth: 2000 mm, width with packaging: 91 mm, height with packaging: 170 mm, depth with packaging: 2005 mm