High Volume Low Pressure (HVLP) Atomizing Head Refill Kit 26818; Clear; 1.8; 10 Pack;. Features quick-change nozzles in sizes 1.1, 1.4, and 1.8 for a variety of industrial and automotive coatings. Nozzles easily attach to the spray gun and whip hose without extra tools. Each new atomizing head delivers like-new spray performance, with excellent pattern control, atomization, and transfer efficiency. Designed exclusively for use with the 3M Performance Spray Gun.