The XBDZ Series fan has high efficiency, smooth running, the impeller is generally made of aluminum alloy, widely used in industrial and mining enterprises, civil construction, stadium, and a variety of entertainment wall exhaust occasions, and has the following characteristics: 1. beautiful appearance, easy installation, the machine made square, before installation, wall different machine number reserved for the square hole, install the fan from the wall outside into the hole in the wall between the casing and the wall plug with rubber or cork can. , Fans rely on external walls side equipped with a waterproof aluminum vent, can prevent the outdoor rainwater and natural wind indoor intrusion, fans with a silencer shell, built-in sound-absorbing material, overall installation firm square, small vibration, smooth running, low noise. The XBDZ Series fan has high efficiency, smooth running, the impeller is generally made of aluminum alloy, widely used in industrial and mining enterprises, civil construction, stadium, and a variety of entertainment wall exhaust occasions, and has the following characteristics: 1. beautiful appearance, easy installation, the machine made square, before installation, wall different machine number reserved for the square hole, install the fan from the wall outside into the hole in the wall between the casing and the wall plug with rubber or cork can. , Fans rely on external walls side equipped with a waterproof aluminum vent, can prevent the outdoor rainwater and natural wind indoor intrusion, fans with a silencer shell, built-in sound-absorbing material, overall installation firm square, small vibration, smooth running, low noise. The XBDZ Series fan has high efficiency, smooth running, the impeller is generally made of aluminum alloy, widely used in industrial and mining enterprises, civil construction, stadium, and a variety of entertainment wall exhaust occasions, and has the following characteristics: 1. beautiful appearance, easy installation, the machine made square, before installation, wall different machine number reserved for the square hole, install the fan from the wall outside into the hole in the wall between the casing and the wall plug with rubber or cork can. , Fans rely on external walls side equipped with a waterproof aluminum vent, can prevent the outdoor rainwater and natural wind indoor intrusion, fans with a silencer shell, built-in sound-absorbing material, overall installation firm square, small vibration, smooth running, low noise. The XBDZ Series fan has high efficiency, smooth running, the impeller is generally made of aluminum alloy, widely used in industrial and mining enterprises, civil construction, stadium, and a variety of entertainment wall exhaust occasions, and has the following characteristics: 1. beautiful appearance, easy installation, the machine made square, before installation, wall different machine number reserved for the square hole, install the fan from the wall outside into the hole in the wall between the casing and the wall plug with rubber or cork can. , Fans rely on external walls side equipped with a waterproof aluminum vent, can prevent the outdoor rainwater and natural wind indoor intrusion, fans with a silencer shell, built-in sound-absorbing material, overall installation firm square, small vibration, smooth running, low noise. The XBDZ Series fan has high efficiency, smooth running, the impeller is generally made of aluminum alloy, widely used in industrial and mining enterprises, civil construction, stadium, and a variety of entertainment wall exhaust occasions, and has the following characteristics: 1. beautiful appearance, easy installation, the machine made square, before installation, wall different machine number reserved for the square hole, install the fan from the wall outside into the hole in the wall between the casing and the wall plug with rubber or cork can. , Fans rely on external walls side equipped with a waterproof aluminum vent, can prevent the outdoor rainwater and natural wind indoor intrusion, fans with a silencer shell, built-in sound-absorbing material, overall installation firm square, small vibration, smooth running, low noise.