Mini USB Submersible Pump 3W DC3.5V-9VThe USB 1020 is a practical mini USB brush less water pump, which is designed fully submersible for both fresh water and saltwater. This pump creates water flow and aerates your aquarium to simulate natural ocean river environment. The pump is a must have accessory for you fish tank, fountain & more. DC 3. 5V 9V 3W USB Brush less Submersible Water Pump Aquarium Fountain Pond Pump. Submersible water pump for aquarium, fountain, fish pond, etc. Flow

overload indicator

It is widely used in grain storage and transportation

Just add 250ml distilled or de-ionized water per powder packet

Permissible Error: +/- 0

these silica gel sachets are sold without food-grade or food safety certification

they can only take power

Plastic storage case : 3

It holds on tightly without budging easily so that won't have to take minutes searching for a good ground or attaching grounding tabs

Textile fire-proofing

Each pack makes 250mL of buffer solution

ensuring complete safety

Silicone Oil (Polydimethylsiloxane / PDMS) is a clear