melt blown spinneret,has thousands of rounded ultra micro hole,made from forging SUS630 or SUS431,able to produce the fabric which the width from 270-3200mm,diameter can be done from 0.1-0.25mm,L/D from 1:10-1:20. it attaches to the meltblown header,melted material going from the header then through the air duct and the distributor,then going into the spinneret,until to the chemical fiber.it has to be cleaned every 45 days to 60 days.