This Taotronics Cordless Electric Air Pump from Rack to Door drops from $29.99 to $19.99 when you enter our exclusive code BD10 at checkout. This is the best price we can find by $10. Shipping is free. The portable pump provides air at a rate of 0.6psi and up to 350 liters a minute. It comes with three nozzles and a rechargeable battery that works for an hour on full charge.