- | Kd-a180 Aquarium Air Pump

Features a built-in battery that charges while plugged in, automatically switching to battery power if electricity is lost.

Ensure the airline tubing is not kinked or blocked. Kd-a180 Aquarium Air Pump -

Connect one end of the tubing to your air stone, sponge filter, or ornament, and place it inside the tank. Features a built-in battery that charges while plugged

Like all diaphragm-based air pumps, the internal rubber components will eventually wear down after years of continuous friction. If the motor runs but no air is produced, the internal diaphragm may need replacement. the internal diaphragm may need replacement.