hardware nuts
dayton 3f837 outside air inlet cap w bird screen 4 in
outside air inlet cap for use with dayton r commercial industrial tube heaters includes 4 in . o.d. cape with bird screen br b features b ul li item outside air inlet cap li li includes 4 o.d. cape with bird screen li li description outside combustion air inlet cap 4 o.d. with bird screen mounts to building sidewall li li for use with dayton r commercial industrial tube heaters li ul