Double maniflod with 4mm high vacuum stopcock and # 15 O-ring joints

Laboy HMM012901 With 4mm double hollow high vacuum stopcocks. This four-port manifold is fitted with two 14/20 and two 24/40 inner JOINTS,and is 100mm center to center http://www.laboyglass.com/media/catalog/product/h/m/hmm012901_1.jpgFrequentQuestions&AnswersHowlongistheorderhandletime?Orderswillbeshipoutintwoworkingdays(exceptSaturdayandSunday)againstpayment.Howlongistheordershippingtime?TherOrderswillbeshippedbyEMSexpress(USPS),itusuallytakesabout3to10workingdaysforarrival.Howtotracktheshippinginformationformyorder?Youmaytrackitfromwww.ems.com.cn.ForAmericacustomers,alsocantrackfromwww.usps.comForAustraliacustomers,alsocantrackfromhttp://auspost.com.au/track/ForCanadacustomers,alsocantrackfromhttp://www.canadapost.caForUKcustomers,alsocantrackfromhttp://www.parcelforce.comIftheglasswareisbrokenwhenIreceive,howcanIdo?Pleasecontactus,wewillofferfreereplacementandfreeshipping.HowmuchisshippingfeesifIpurchasemorethanoneitem?Weonlycharge$15expressfeesforonepurchase,nomatterhowmanyitemsincluded.Whyyouchargeme$15shippingfeesforeachitemwhenImakemultiplepurchase?Pleaseputalltheitemsyouneedtoshoppingcart,thesystemwillchargeyouautomaticallyaccordingtocombineshippingpolicy.Doyoumakecustomerglassware?Yes,pleasesupplythedetaildimentionandinformationfortheglasswareyouneed.Whatisthematericalofyourproducts?Ourproducdsaremadeofborosilicateglass3.3Areyourproductsmadebyhand-blowing?Yes.