China4" Fresh Air Vent - 4" cast-iron spigot to fit fresh air vent. Vent fits inside a 4" pipe such as a vent stack, designed to keep trash and birds from clogging vent stacks. - Size: 4", Material: Cast IronBrand: Jones Stephens Corp., Model: J60-008, Size: 4 Inch
4" Fresh Air Vent - 4" cast-iron spigot to fit fresh air vent. Vent fits inside a 4" pipe such as a vent stack, designed to keep trash and birds from clogging vent stacks. - Size: 4", Material: Cast Iron Brand: Jones Stephens Corp., Model: J60-008, Size: 4 Inch