Critter Ridder Animal Repellent, For skunks, groundhogs (woodchucks), dogs, cats, squirrels and raccoons Granular Shaker Model 3141 Model #: 3141 Best Used For: Repelling skunks, groundhogs (woodchucks), dogs, cats, raccoons and squirrels. This patented, effective animal repellent is both OMRI Listed® and compliant for use in organic gardening. Havahart® Critter Ridder® repels groundhogs (woodchucks), dogs, cats, raccoons and squirrels.  Also works very well as a skunk repellent. Critter Ridder® animal repellent contains the scent and taste deterrent ingredients of oil of black pepper, piperine and capsaicin.  These active ingredients irritate animals when they touch or taste the product. This patented, effective animal repellent is both OMRI Listed® and compliant for use in organic gardening.  Effectively repels skunks, groundhogs, dogs, cats, squirrels and raccoons from treated areas for up to 30 days!  The competition requires more frequent application. The Critter Ridder® animal repellent granular shaker canister is perfect for perimeter protection.  Sprinkle your lawn, garden path and flower bed or spot-treat ground around other problem areas such as garbage bags, ornamental plants, trees or shrubs.   It can also be used indoors ideal for use in potted plants and non-living areas such as basements, cellars, storage areas, sheds and barns.  An easy-to-use, effective and economical animal repellent.  Critter Ridder® from Havahart® - the recognized brand leader in nuisance animal control.