Please Select which size you need above
4″ 100mm, 5″ 125mm, 150mm 6″, 200mm 8″, 250mm 10″ & 315mm 12″
Male ducting back draught connector for solid or Flexible ducting
Please note these back draught shutters require a very strong fan the pressure from this back draught shutter is around 80 to 110pa
Made from Metal
** There is NO additional postage charge for multiple purchases **