Phase I EVR Adapters & Caps Phase I EVR Components - Caps & Adapters This collection of Emco Wheaton Adapters & Caps is part of our Certified Enhanced Vapor Recovery System Fill Swivel Adapter The A0030-124S is field serviceable for use with the A0097 Fill Cap. Top Seal Fill Cap Lockable cap designed for use on the A0030-124S Adapter. Vapor Swivel Adapter Field Serviceable, for use with the A0099-002 Vapor Cap. Vapor Adapter Cap Features a cam system, for use on the A0076-124S Vapor Swivel Adapter. Fill Adapter Designed for use with ATG probes, use with the A0097-010 ATG Cap. Tank Gauge Cap For use on the A0030-014 ATG Adapter, designed with a grommet to allow a cable to pass through the cap Low Profile Fill Cap Designed for use when there is limited space between the top of the adapter and the spill containment lid Low Profile Vapor Cap Lockable cap designed for use when there is limited vertical space, colorized orange for vapor line ID