<https://piscespets.com/products/marina-200-air-pump#product>
<http://schema.org/description>
"  The Marina 200 air pump combines high performance output with quiet operation. A reliable source of air for increasing water movement and turbulence for proper oxygenation, and can also be used to operate items such as air stones, air curtains and air-actuated ornaments.For aquariums up to 60 US gal (225 L)\r\n  Double Outlet Output :2X110 L per Hour /2X1800cc/min"
<https://piscespets.com/products/marina-200-air-pump>