Specifications 1.lower price,easy drip liquid,big vapor 2.Many colors available 3,paypal is available... 4.OEM is welcome Specification & description * It is used for Toprol 510 and 901 atomizers * It is made of delrin and plated with black color, all material are enviromental protected Terms and Conditions: MOQ: Sample order acceptable Payment Methods: T/T, Paypal