Introducing the "push-and-twist" oil bag attachment. Designed for use with the ValvoMax Collapsible Oil Drain Bags, the attachment secures to the threaded opening and facilitates a clean transfer of oil. Designed for use with the ValvoMax Quick Twist Valve to make a completely self-contained oil drain. To use, simply push and twist counter-clockwise. The oil bag attachment contains ventilation ports to bleed air as the bag fills. To finish, simply push and twist clockwise. Replace with existing bag cap for transportation to the recycling facility. Bag purchased separately.