PRODUCT DESCRIPTION:   100% Cottonseed Oil that’s odorless and used to suffocate wood destroying insects. Xempt C.O. works as a contact spray only and once cured (24 hours) provides no lasting residual. Xempt C.O. mixes with oil solvents only, like BASE OIL, and when applied to soft or hard wood, wick through the grain killing insects … Continue reading PEST-XEMPT C.O. 8 OZ COTTONSEED OIL