Dead Down Wind 1310 Evolve Field Spray PacIt Refills Cover Scent Odor Eliminator Unscented Scent 36 oz ConcentrateJust add one Pac It pouch to 11 oz of water and shake moderately its that easy to mix your own evolve field spray and save money with less waste. The #1310, includes 3 Pac It pouches, makes 36 oz. of Field Spray when you need it, wherever you are. The Evolve Pac It is another DDW market first and demonstrates our technology leadership in finding solutions for every hunting scent control challenge. Pac It refills are ideal for the traveling or back