Spare O-rings for all of your DynaVap vaporizers. These are the identical rings, sourced directly from the manufacturer, all OEM high-temp rings. If you need new condenser O-rings for any device (except the OmniVap), select the Condenser option. If you need the O-rings for your tips or for the OmniVap Condenser and mouthpiece, select the Tip/Omni option.