ID of the hose is 1/4" but that at each end there is a rubber connector that is a 3/8" ID
Representative image only
Humboldt, Accuflame Gas Line for Bunsen Burners, H-2087, Flexible Steel Covered with Rubber/Cloth, 36" L
$170.50
DescriptionAccuflame Gas Line for Bunsen Burners, Flexible Steel Covered with Rubber/Cloth, 36" L
View Virtual Catalog - English - gy44-0106.pdf
Overview
ID of the hose is 1/4" but that at each end there is a rubber connector that is a 3/8" ID