Merck ULTRA BOSS® Pour-On Insecticide Category_Farm Supplies & Hardware Cellar Spiders

Cellar Spiders

Reversible and replaceable hub

a residual insecticide that provides up to four weeks of repellency for a wide variety of insect pests including mosquitoes

powdery mildew

Merck ULTRA BOSS® Pour-On Insecticide Category_Farm Supplies & Hardware Cellar SpidersULTRA BOSS POUR ON INSECTICIDE features broad spectrum control in a pour on. Containing 5% permethrin and 5% piperonyl butoxide, ULTRA BOSS POUR ON INSECTICIDE controls lice, flies and more in lactating and non lactating dairy cattle, beef cattle and calves. About ULTRA BOSS POUR ON INSECTICIDE: Broad spectrum insecticide against lice, horn flies and face flies. Aids in control of horse flies, stable flies, mosquitoes, black flies and ticks. Effective