Adsafe* CPR Resuscitator valve only, High efficiency and low resistance one-way valve minimizes the possibility of cross-contamination, Disposable valve to avoid cross contamination, For use on adults, and inverted for infants/children, Pocket storage case
Go Direct* CO2 Gas Sensor, CO2 Sensor Range: 0-100,000 ppm, Resolution: 1 ppm CO2, with Wireless: Bluetooth, Wired: USB connections,Study the effect of temperature on cell respiration or metabolism of organisms, Dimension: 38x28mm, Total length: 155 mm
Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement. The air stone also increases surface agitation, accelerates oxygen replenishment and helps release
Air Puck, perfectly balanced and glides on a cushion of air for nearly frictionless motion across any smooth surface. Sturdy bumpers will survive collisions with walls, shoes, or other Air Pucks.
Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement, increases surface agitation, accelerates oxygen replenishment, release carbon dioxide build-up, Rec
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