Set spray settings from 9, 18 or 36 minute spray intervals.
Because the spray valve is part of the refill can, it is renewed each time a refill is inserted. Simply take out the old refill can and replace with the new one. Simple.
It's extra controls give you the advantage of controlling the levels of spray to suit your environment, giving you the most efficient and economical solution.
Pyrethrin is the extract from the Chrysanthemum daisy; at constant low dosage levels, insects are repelled making it the most effective insect control solution. Natural pyrethrins quickly break down in the environment, leaving no insecticide residue.