This trigger sprayer has an auto vent hole to keep the bottle always round. The trigger sprayer is stylish and made of polypropylene(PP) which resists fatigue. This sprayer has a nice thumb hook to help counter-balance the weight of the matching container. It is perfect for fine mist applications, such as cosmetics, home cleaners, room sprayers and more. Description: 1) Specification: ?28/400, ?28/410,?28/415 2) Discharge rate: 0.75+0.05ml/T 3) MOQ: 50,000pcs 4) Material: plastic PP 5) Three functions are available: spray/off/stream/off 6) Lead-time: 7-15days 7) Color: Any color available 8) Packaging details: carton package. 500pcs/CTN Meas: 55X32X37.5cm 260,000pcs/500ctns /20'FT 450,000pcs/900ctns/40'GP 515,000pcs/1030ctns/40'HQ cnc engraving machine ***:Good Quality and competitive price. New design can make free moulds if quantity is large. Applications: Trigger sprayers used for window cleaning agents, washing agents, kitchen cleaning agents and so on. Competitive Advantages: Colorful trigger sprayer with nice design, longer & stronger arm for using conveniently. Best quality, best price ....