Kd-a180 Aquarium Air Pump - -

What Is an Aquarium Air Pump and Is It Necessary? - Fresh Water Systems

The diaphragm for the Kd-a180 is widely available on Amazon, eBay, and specialty aquarium retailers (search "Kd-a180 diaphragm repair kit"). Average cost: $5-$8. Kd-a180 Aquarium Air Pump -