Delivering reliable and heavy duty performance, TOM Aquarium Stellar Air Pump S-20 is ideal for aquariums sized from 20 to 30 gallons. Designed for smooth and quite operation, the S-20 maintains high oxygen levels while providing optimal water movement to keep fish healthy. Featuring strong, long lasting diaphragms plus durable silicone flappers that delivers years of dependable service. Perfect for use with action ornaments, under gravel filters, air stones, and bubble wands. The S-20 has one air port outlet, a 1. 4 liter-per-minute air volume, a 2. 9 PSI air pressure rating, and a 3. 2-watt energy consumption rating.
