(101760) Chest Compression System Jolife Lucas 100249-00 Compressed air operation: -Air consumption: 52 liters ​/​ min, -Frequency: 90-110 compressions ​/​ min. In perfect working order! Sold as pictured. Returns Policy. Item is sold as is, no returns or refunds, unless an expiration date is indicated. Contact us by mail, phone, or WhatsApp, Viber, for more information. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.