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The Backer Hotwatt Standard Band Heaters are manufactured in one or two piece constructions with maximum inside diameters ranging from 11-1/2" to 22-1/2", respectively. Three or more sections are employed when heaters of larger diameters are needed (as for blown film extrusion dies).
Holes and cutouts are available. Maximum wattage may be reduced with the addition of holes and cutouts. Drawing required for specific location.