Brooks 5850TR Mass flow controller, 0-160 SCCM

PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. Your purchase is protected by a 30 day warranty. We cannot negotiate price or terms after the sale has closed. Payment is expected within 24 hours please, and in return, we'll ship quickly. We appreciate your consideration! (bcd: yt-4-e)