The Official Automatic Electronic Curing Pump from Burp Lids Burping Made Easy - No more frustrating time consuming untwisting and prying off lids. Use the automatic extractor pump with your Burp lids (Boxes sold separately) Easy Air Extraction - Simply place, press, burp done! You only need the auto pump on a Burplid for 5 seconds to extract the air. Long Battery Life - Just charge up the pump since it has a built-in battery and it will last throughout your whole curing process for weeks.