Volatility Reducing Agent | Drift Control Adjuvant | Water Conditioner VAPOR Drift DRA + VRA is a multi-functional adjuvant that includes water conditioning, water softening, drift control and volatility reduction needed when applying certain forms of dicamba. VAPOR Drift DRA + VRA helps to form consistent droplet sizes within the optimum range for uniform control and accurate delivery of the application. VAPOR Drift DRA + VRA is formulated with an AMS-free water conditioner that helps prevent the loss of active ingredient efficacy that can occur when the mixing water is mineral-saturated or of unknown quality. VAPOR Drift DRA + VRA is approved for use as a DRA and VRA application with Bayer XtendiMax, BASF Engenia, and Syngenta Tavium. VAPOR Drift DRA + VRA is recommended for use on all agricultural crops and is compatible with most active ingredients such as glyphosate, 2,4-D and dicamba.