Check the listing for details. MKS 1179B03952CR14V Mass-Flo Mass Flow Controller 500 SCCM SiH4 Working Pull. Condition: New – Open box. Listed at 499.99 USD. MKS 1179B03952CR14V Mass-Flo Mass Flow Controller 500 SCCM SiH4 Working Pull Unit is in the factory box with cal data from 2014, sold as used working, guaranteed. Pulled from spare parts for a solar manufacturing line. We can't tell if it has even been installed, looks unused. This item is free shipping to the lower 48 States, contact us for a quote elsewhere.Feel free to contact us with any questions Thank you for your interest and have a great day! International buyers - please note: Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be, prior to bidding or buying. If you are using an International freight-forwarding or mail redirection - You are not covered through the eBay money-back guarantee if your item was sent to another address after original delivery, unless you request to use the eBay Global Shipping Program or eBay International Standard Delivery. We are not responsible for any items after they have arrived at a third-party freight-forwarder or mail redirection service.