**Product Specifications:** - **Model No.:** KP85 - **Color:** Blue and Black - **Shell Material:** Plastic - **Trademark:** OEM - **Transport Package:** Retail - **Specification:** Mini - **Origin:** Shenzhen, China --- **3L/M 1.5W AAA Dry Battery Smallest Portable Mini Air Fishing Water Vacuum Pump** **Features:** - Multi-level muffler for quiet operation - Oil-free compressed air ensures clean and pure airflow - High performance with large volume output, ideal for small to medium-sized aquariums - Low power consumption, energy-efficient, and long-lasting durability - Equipped with adjustable valves for precise control of air flow - Dual-head design with two outlets, allowing oxygenation for two aquariums simultaneously - To prevent water backflow, place the pump at least 20cm above the water level or install a check valve on the outlet pipe - Operates quietly (Note: If you find it completely silent, it may not be functioning properly — please do not place an order if this is the case) - Easy to use and customize with various air supply options --- **Product Specifications:** - **Voltage:** DC 5V - **Power Source:** AA Battery - **Air Output Volume:** 2.5W (3L/min) - **Air Outlet Quantity:** Single (2.5W) - **Air Outlet Diameter:** 4mm - **Power Rating:** 2.5W - **Color:** Black and Blue --- **How to Use It:** 1. Ensure the voltage and frequency of the power source match the pump’s requirements. 2. Place the air pump higher than the aquarium to avoid water being sucked back into the machine through the exhaust pipe. 3. Connect the tubing to the air outlet, evenly distribute the air stone in the aquarium, and turn on the power. The pump will start drawing in air and provide oxygenation. 4. Choose between single or dual air outlets depending on your oxygen needs for optimal aeration. 5. Clean and replace the filter cotton and air stone every three months for best performance. 6. When not in use, disconnect the pump from the power supply and store it in a dry place to extend its lifespan. This compact and powerful air pump is perfect for maintaining a healthy environment in your fish tank, offering convenience, efficiency, and reliability. Whether you're a beginner or an experienced aquarist, this device is an essential addition to your aquarium setup.

PROMAC Barrel Wear Inspection Device

Ensuring the feed screw and barrel remain in top condition is an essential part to achieving processing goals. Over time and under continuous operating conditions, the feed screw and barrel will experience wear. You will need both cleaning tools and measuring tools to ensure accuracy of your measurements. PromaXX provides Maintenance Equipment to our valuable customers in the daily maintenance of Feed screw and Barrel.

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