Top down curtain system is the simplest and least expensive curtain ventilation system in the market, The curtain is permanently fastened along the bottom of the wall opening and then lowered (opened) from the top by a cable system using either by motor gearbox drive or manual drive. By opening the curtain from the top it allows the cooler air to enter high up along the sidewall which prevent the animal from cold stress.
Features
1 Manual and automatic options are available
2 Maximum opening ...