range of product: Prisma Plus System G - floor-standing duct: 300 mm,Prisma Plus System G - wall-mounted duct: 300 mm product or component type: mounting plate installed device: Compact: fixed NSX100...250 - control: toggle - vertical installation,Interpact: fixed INS250 - control: direct front rotary handle - vertical installation,Interpact: fixed INV250 - control: direct front rotary handle - vertical installation poles description: 1 x 4P,1 x 3P