Check the listing for details. DWYER INSTRUMENTS RMA-151-SSV 10-50 CC/MIN AIR FLOWMETER Plus Others USED. Condition: Used. Listed at 90.00 USD. This sale is for all 5 DWYER meters pictured. These are preowned/used. DO NOT BUY IF YOU DONT KNOW WHAT THAT MEANS PLEASE! These have pieces RMA-151-SSV is ready to use. The others may need attention. These have pieces attached. Pulled from a working setup. Just no longer using. Have more stuff available. Questions welcomed. New items added daily. We package properly and ship FAST 💨 EXPLORE OUR STORE. ***THE LAST PHOTO WAS PROVIDED TO SHOW YOU THE SYSTEM THESE WERE APART OF. MOST OF THE OTHER ITEMS PICTURED ARE AVAILABLE OR WILL BE LISTED.