Home / Shop / Mistral Double Action Pump Mistral Double Action Pump Mistral Double Action Pump Mistral Double Action Pump Double Action Pump Quantity Add to cart Double-action inflatable SUP pump. Easy to read gauge lets you easily see the pressure. Permits you to inflate initially with both up and downward strokes up to 5 psi. Flip switch to revert to single action as the pressure increases within the chamber. Double action iSUP pump 2 kg Easy read gauge Pay safely with: