Penn Plax Silent-Air? Aquarium Air Pump - 20 Gal

Penn Plax presents the Silent-Air X2 Aquarium Air Pump. This pump is designed for aquariums up to 20 gallons. The SAX2 Aquarium Air Pump has a powerful motor with a sound muffling design casing for one of the most silent air pumps available. The Silent-Air X2 has a unique diaphragm mount armature, non-skid feet, and silicon polymer flappers for an air pump performance you'll love that's so quiet, you'll forget it's there.