Ghost buster's favorite

You can use this device as a standard action to suck in gaseous substances in a 3m cube. Versus magical gaseous substances you have to succeed on a caster level check with a +10 bonus. A gaseous creature receives a DC 20 reflex saving throw to avoid being sucked in. The device can only hold one gaseous substance or creature at a time. You can release it as a standard action. After using the device, it must be recharged, depending on the device variant:

• Hand Pump: Requires 200 accumulated Brawn skill score (1 check as a full-round action) to recharge.
• Pneumagic: Channel 5 spell levels into the device (1 spell per standard action).
• Bound Elemental: Recharges the elemental's HD times 10 in Brawn score per round.