BGrey Beard's Niagara 500 mlm Rotary Pump ReviewbP PP Grey Beard's Niagara 500 mlm Rotary Pump PEspecially designed for Water Uses the 120-Volt AC 12-Volt DC TransformerP500 mlmin flow rate at ambient temperature, Runs dry with out damagePUses peristaltic pump technology, Self-priming, Low ampere drawPQuick tube replacement with no tools requiredPHigh-quality manufacturing using virgin high-strength resins and component materials from some of the world's leading suppliers to both the manufacturing and medical device industriesP