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Kaput Rat & Mouse Bait (RMV)
Kaput Rat & Mouse Bait is a warfarin rodenticide that comes in place packs. The bait mimics the natural food source for rodents like rats, mice, and voles by being manufactured as a loose grain. The easy-to-use place packs can be placed as unopened packages in areas where rodents feed.
09/21/25
Kaput Rat and Mouse Bait (also known as Kaput RMV), manufactured by Kaput, is a warfarin rodenticide used to treat Norway rats, roof rats, house mice, and voles.
Warfarin, the active ingredient in Kaput Rat and Mouse Bait, is an anticoagulant that successfully controls rodents at low dosages and offers low secondary and environmental toxicity. Presented as a loose grain, Kaput Rat & Mouse Bait is packaged in two-ounce place packs.
Rodents can smell Kaput RMV through the packaging material, which they can gnaw into and enjoy. The packs can also be opened, and the grains can be portioned out if smaller portions are needed.
Tools Needed
Kaput RMV Place Packs come ready to use but should be placed in tamper-resistant bait stations.
How to Use
- Step 1: Determine areas of your home where you have noticed rodent activity and put place packs in these target areas, preferably inside a bait station. The number of place packs will depend on the type of rodent and the severity of the infestation being treated. For Norway and Roof rats, apply 2 to 8 place packs per bait placement (including deeply into rat burrows), with placements spaced at 15 to 30 foot intervals. House Mice, open a pack and apply 0.25 to 0.50 ounces of bait per placement with placements spaced at 8 to 12 foot intervals. Voles, open a pack, and load 1 oz. of bait into each bait station within 50 feet of buildings.
- Step 2: With a gloved hand, load the proper amount of bait into the selected bait station.
- Step 3: Replace contaminated or spoiled bait immediately and collect and properly dispose of visible dead rodents found. All leftover bait should also be discarded.
Where to Use
Kaput Rat and Mouse Bait (RMV) place packs can be used in urban and non-urban areas, including homes and industrial, commercial, agricultural, and public buildings.
Applications outdoors must be placed in tamper-resistant bait stations placed along walls or other external parts of buildings (doorways, ramps, and loading docks), burrow openings, or where rodents might enter. Applications indoors include along walls, by gnawed openings, in corners and concealed places, between floors and walls, and in other areas where rodents may harbor.
Do not apply farther than 50 feet from buildings.
When to Use
Use when a rodent has trespassed into your home. Prime times around the winter when temperatures have cooled, and rodents are looking for a warm place to stay.
Safety Information
Kaput Rat and Mouse Bait (RMV) is safe to use around pets and children when applied according to the product label instructions. Always wear the appropriate personal protective equipment (PPE) when handling or applying this product.
Apply bait in locations out of reach of children, pets, domestic animals and non-target wildlife, OR in tamper-resistant bait stations. These stations must be resistant to destruction by children under six years of age and dogs and must be used in a manner that prevents children from reaching into bait compartments and obtaining bait. If bait can be shaken from stations when lifted, units must be secured or otherwise immobilized.
Keep away from children, domestic animals, and pets.
Special Considerations
Bait Stations are mandatory for outdoor, above-ground use. Tamper-resistant bait stations must be used if children, pets, non-target mammals, or birds may access the bait.
This product is extremely toxic to mammals and birds. Dogs, cats and other predatory and scavenging mammals and birds might be poisoned if they feed upon animals that have eaten this bait.
Availability | Online |
Restricted Use | No |
Shipping Restrictions | 32 Packs: AK, CT, HI, ME, MI, NY, OR, RI, SC, VT 60 Packs: AK, CT, HI, ME, MI, NY, OR, RI, SC, VT 150 Packs: AK, CT, HI, ME, MI, NY, OR, RI, SC, VT |
Brand | KAPUT |
Keith's Pro Tips | "When using this product to deal with rats, mice, or voles, first you must identify places where the rodents might congregate or where feces have been found. A good idea when placing baits is to remember that rodents often like to travel alongside walls and structures instead of open areas." |
Product Drawbacks | For some rodents, it may take longer to consume and succumb to the bait. |
Target Pests | Norway rats, Roof rats, House mice, Meadow Voles, Pine Voles, and Montane Voles. |
Application Equipment | Bait Stations, Gloves |
Application Methods | Baiting |
Active Ingredient | Warfarin 0.025% |
Product Type | Rodenticide |
Formulation | Wax Block |
Application Rate | Kaput Rat & Mouse Bait (RMV) comes ready to use with no mixing required. For Norway and Roof rats, apply 2 to 8 of Kaput Rat & Mouse Bait (RMV) placepacks per bait placement (including deeply into rat burrows), with placements spaced at 15 to 30 foot intervals. House Mice, open pack and apply 1/4 to 1/2 oz. of bait per placement with placements spaced at 8 to 12 foot intervals. Voles, open pack and load 1 oz. (half of pack) of bait into each bait station within 50 feet of buildings. |
Shelf Life | Kaput Rat & Mouse Bait can remain effective for 3 years when stored in original container in a cool, dry place inaccessible to children and pets. |
Yield | 2-8 packs of Kaput Rat & Mouse Bait (RMV) will treat up to 30 feet. |
Use Sites | Indoors, Outdoors |
Time to Kill | Kaput Rat & Mouse Bait will take up to 15 days to fully control rodents. |
Comparable Products | Kaput Combo Bait Mini Pellets Place Packs |
EPA Registration # | 72500-6 |
Restricted Use | No |
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Shipping Restrictions | AK, CT, HI, MI, NY, OR, RI, SC |
Availability | Online |
Signal Word | CAUTION |
Keith's Pro Tip | "When using this product to deal with rats, mice, or voles, first you must identify places where the rodents might congregate or where feces have been found. A good idea when placing baits is to remember that rodents often like to travel alongside walls and structures instead of open areas." |
Target Pests Multi | House Mice, Norway Rats, Roof Rats, Meadow Voles, Montane Voles, Pine Voles |
Time to Kill | Kaput Rat & Mouse Bait will take up to 15 days to fully control rodents. |
Chemical Type | Rodenticide |
Formulation | Wax Block |
Application Methods | Baiting |
Product Drawbacks | For some rodents, it may take longer to consume and succumb to the bait. |
Active Ingredient | Warfarin 0.025% |
Application Equipment | Bait Stations, Gloves |
Mix Rate | Kaput Rat & Mouse Bait (RMV) comes ready to use with no mixing required. For Norway and Roof rats, apply 2 to 8 of Kaput Rat & Mouse Bait (RMV) placepacks per bait placement (including deeply into rat burrows), with placements spaced at 15 to 30 foot intervals. House Mice, open pack and apply 1/4 to 1/2 oz. of bait per placement with placements spaced at 8 to 12 foot intervals. Voles, open pack and load 1 oz. (half of pack) of bait into each bait station within 50 feet of buildings. |
Use Sites | Indoors, Outdoors |
Yield | 2-8 packs of Kaput Rat & Mouse Bait (RMV) will treat up to 30 feet. |
EPA Registration No. | 72500-6 |
Shelf Life | Kaput Rat & Mouse Bait can remain effective for 3 years when stored in original container in a cool, dry place inaccessible to children and pets. |
Comparable Products | Kaput Combo Bait Mini Pellets Place Packs |
Children or pets? | No |
Property Characteristics | None |
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