MENURSY IV Flow Regulator Valve, Precision Regulator for Infusion Tubing, Adjustable 0–250 mL/h Liquid Flow Control with 3mm Connector for Laboratory, Veterinary & Research Use (5 Pack)

["0-250mL/h adjustable range provides precise and stable liquid flow control for laboratory and veterinary fluid experiments under gravity-fed setups.","Made of durable ABS materials, DEHP-Free, Latex-Free, biocompatible and EO processed for safe, single-use operation in clean environments.","Compatible with 3mm inner diameter tubing, ensuring a secure fit and tight seal to prevent leakage or air entry during fluid transfer.","Smooth rotary dial design allows fine flow adjustment and consistent performance, providing stable operation during long-term fluid applications.","Lightweight and compact structure (35 mm/1.38\" L x 27 mm/1.06\" W, 8.5g each) ideal for laboratory research setups, animal care training, and controlled liquid transfer systems."]