EHEIM Universal Hobby Pumps feature outstanding continuous operation characteristics. Universal pumps are designed for use in/under water as well as for powerful use externally. All universal pumps have a hermetically sealed motor body.
Impeller for 1048 Hobby Pump. The impeller is what makes the pump work and is commonly the problem regarding lack of flow or performance. Clean the impeller and the impeller well regularly to avoid irreparable damage to your pump.