Will help you
This pump is gigantic. Normally producers of pumps label them with the double of flow it indeed afford. But not Panta Rhei, Abyzz or Royal Exclusive. That means that these pumps make the double of the flow than the most others by same liter label.
Grüße Torben
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My cousin just picked up the pump from Germany and he will bring it back to me to Thailand on 24th November . I will post the picture then .