The Delavan nozzle type W is all-purpose. These nozzles aren't hollow or solid. They are frequently used in place of a solid or hollow cone between 0.40 and 8.00 GPH regardless of the burner's air pattern. Lower flow rates tend to be more solid.
Fits multiple appliances
Technical specification
Manufacturer Model NoD04-0135-60-WBrand NameDelevan
Reviews
Delavan Oil Nozzle 01.35 x 60 Degree W D04-0135-60-W