DriForce®InterAir Drying System™ For Drying Walls Without DamageThe DriForce forces high-pressure air into wet walls for wall drying with minimal disruption. You only need to make tiny 1/4-inch holes at baseboard level to introduce 60 inches of static pressure from the DriForce! It's perfect for hard-to-reach areas like behind cabinets, tubs, under stairwells, etc. Force air in or vacuum air out Dry up to 90 linear feet of wall Up to 60 inches of static pressure! Averages just 3 amps Fits in two convenient carrying cases