$Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$

$Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$ $Wall Refractory tube outside dia. 10 ” by 12″ wall thickness 1″$