... 5%EC,20%EC,200g/lEC(insecticide/pesticide/acaricide:CAS NO.33089-61-1)2.Good quality!!! Our products enjoy ... .5%EC,20%EC,200g/lEC(insecticide/pesticide/acaricide:CAS NO.33089-61-1) Common nameAmitraz/EmitrazOther nameN'-(2,4 ... fingers between the collar and the dog's neck – no more, no less. If placed too tightly, irritation can occur. ... EC,20%EC,200g/lEC(insecticide/pesticide/acaricide:CAS NO.33089-61-1)