Spencer QMX 109 ABS Pump for Vacuum Mattress by Spencer $29.75 Each SKU SPC00071 Item is out of stock. Estimated dispatch 30+ days from date of order. Item is out of stock Restocking 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Spencer QMX 109 ABS Pump for Vacuum Mattress ABS pump. Apart from having a double effect that improves efficiency, it can be used to vacuum and to inflate, thanks to the two valves that are connected to two different chambers. Good quality at a low cost.