Brooks 5851E Mass Flow Controller, 200 SLPM, Hydrogen, MOD:5851EA14MQ2H2FA

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-a)