Create vacuum suction quickly—by running water through the body of these aspirator pumps, you can draw liquids and gases in through the side arm. They’re often used in labs for vacuum filtration and picking up spilled liquids. Made of HDPE, their housing resists corrosive chemicals such as filtrates and acids. Run water through these pumps by connecting them to your faucet; they’re commonly known as faucet aspirators. They have a removable barbed tube connector that you can leave attached to your vacuum tubing and connect to the pump only when you’re using it. To prevent water backflow, there’s an internal check valve. These pumps come with polyethylene tubing to discharge water and chemicals without splashing; the tubing is chemical resistant.