The No-see-um bug spray cost varies depending on the size of the bottle. As of 2015, prices range from $5.95 for a two-ounce bottle to $180 for 36 two-ounce bottles.
The spray, which is available in two- and four-ounce bottles, can be purchased separately or in bulk. For example, a case of 24 four-ounce bottles costs $180. A travel size case contains 36 two-ounce bottles and costs $170.
No-see-um carries equine spray, as well, and the cost for this ranges from $19.95 for a 32-ounce bottle to $198 for a case of twelve 32-ounce bottles.
Purchase the spray from retailers in select states or the No-see-um website.