Eastwood offers the Preval Custom Spray Kit for $25.88. Plus, coupon code "1NT1078" bags free shipping. That's the lowest total price we could find by $12. The kit includes a Preval Sprayer with bottle and tubes, one Preval vGrip, two Preval Replacement Power Units, spray buttons, glass and plastic reservoirs, bottle lids, short dip tubes, and long dip tubes.