out put: 0.4ml closure diameter: 30/410 material: PP, SUS304H stainless spring, ball clear glass, PE gasket, Nylon mesh funtion: perfect steability of product, no back flow leck, steady output and environmental kind: pull by hand applicative liquid: comestics applicative products: mousse foam cleansing, hand washing liquid, facial cleanser, shaving cream, and baby products etc. color: according to customer needs specification: no limit of dip tube length foam pumps, foaming pump, pumps, lotion pumps, plastic pump