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USA REMOTE CONTROL DOG TRAINING SHOCK VIBRATE COLLAR |  |
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US $34.99 | 29d 16h 16m |
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PETSAFE EXTRA RECEIVER COLLAR PIF 275 UNUSED | |
3 Bids | US $59.00 | 20h 16m |
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300M Dog Shock Collar Underground Electronic Pet Fence | |
0 Bid | US $9.91 | 28m |
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300M Dog Shock Collar Underground Electronic Pet Fence | |
0 Bid | US $9.91 | 18h 42m |
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Guardian Underground Fence unopened original box | |
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US $49.75 | 2d 15h 49m |
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Underground Pet Fence | |
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US $150.00 | 2d 20h 46m |
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Wireless PetSafe Fence Pet Dog Containment System | |
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US $229.95 | 27d 5h 47m |
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Petsafe ELECTRIC IN GROUND BIG LARGE DOG FENCE 1 Acre | |
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US $188.99 | 27d 23h 59m |
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Petsafe Underground Large Stubborn 2 Dog Fence 18 Gauge | |
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US $238.95 | 26d 2h 58m |
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Petsafe Electric in Ground Stubborn 2 Large Dog Fence | |
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US $229.90 | 26d 35m |
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2 DOG PET ELECTRIC UNDERGROUND FENCE W SHOCK COLLAR | |
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US $74.99 | 25d 18h 22m |
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IN GROUND ELECTRONIC DOG FENCE PET CONTAINMENT SYSTEM | |
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US $59.99 | 25d 22h 15m |
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DOG DOOR DOGGIE PET SAFE DOGGY for medium dogcat 40lbs | |
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US $69.99 | 29d 16h 6m |
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One 6v Silver Oxide Battery for Contain A Pet Dog Fence | |
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US $12.25 | 25d 2h 2m |
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PETSAFE UNDERGROUND LARGE STUBBORN 2 DOG FENCE 1 ACRE | |
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US $258.94 | 26d 3h 4m |
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DOG DOOR DOGGIE PET SAFE DOGGY for medium dogcat 40lbs | |
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US $69.99 | 26d 20h 42m |
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Dog door fits wall doggie built in frame doggy Large | |
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US $139.99 | 25d 14h 39m |
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One 6v Silver Oxide Battery for Contain A Pet Dog Fence | |
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US $12.25 | 25d 2h 2m |
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3 DOG TRAINING SHOCK COLLAR ELECTRIC UNDERGROUND FENCE | |
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US $94.99 | 24d 17h 36m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $379.90 | 29d 1h 59m |
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Two 6v Silver Oxide Batteries Contain A Pet Dog Fence | |
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US $24.50 | 25d 2h 3m |
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Two 6v Silver Oxide Batteries Contain A Pet Dog Fence | |
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US $24.50 | 25d 2h 3m |
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Two 6v Silver Oxide Batteries Contain A Pet Dog Fence | |
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US $24.50 | 25d 2h 3m |
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Two 6v Silver Oxide Batteries Contain A Pet Dog Fence | |
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US $24.50 | 25d 2h 3m |
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Two 6v Silver Oxide Batteries Contain A Pet Dog Fence | |
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US $24.50 | 25d 2h 3m |
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Two 6v Silver Oxide Batteries Contain A Pet Dog Fence | |
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US $24.50 | 25d 2h 3m |
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One 6v Silver Oxide Battery for Contain A Pet Dog Fence | |
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US $12.25 | 25d 2h 3m |
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One 6v Silver Oxide Battery for Contain A Pet Dog Fence | |
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US $12.25 | 25d 2h 3m |
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PetSafe Wireless 2 Dog Containment Pet Fence PIF 300 | |
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US $369.90 | 24d 17h 45m |
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1 DOG PET ELECTRIC UNDERGROUND FENCE W SHOCK COLLAR | |
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US $59.99 | 29d 18h 5m |
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ELECTRIC ELECTRONIC PET FENCE SHOCK COLLAR FOR 2 DOG | |
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US $74.99 | 29d 18h 6m |
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ELECTRIC ELECTRONIC PET FENCE SHOCK COLLAR FOR 1 DOG | |
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US $59.99 | 29d 18h 6m |
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2 DOGS PET IN GROUND DOG FENCE ELECTRIC SHOCK COLLAR | |
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US $74.99 | 29d 18h 6m |
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2 DOG TRAINING SHOCK COLLAR ELECTRIC UNDERGROUND FENCE | |
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US $74.99 | 29d 18h 5m |
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2 DOG PET ELECTRIC UNDERGROUND FENCE W SHOCK COLLAR | |
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US $74.99 | 29d 18h 5m |
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1 DOG TRAINING SHOCK COLLAR ELECTRIC UNDERGROUND FENCE | |
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US $59.99 | 29d 18h 5m |
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1 DOG PET IN GROUND DOG FENCE ELECTRIC SHOCK COLLAR | |
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US $59.99 | 29d 18h 5m |
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SmartCat Kitty Cat Corner Litter Box Gray | |
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US $11.95 | 29d 7h 27m |
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2 DOGS PET IN GROUND DOG FENCE ELECTRIC SHOCK COLLAR | |
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US $74.99 | 24d 17h 36m |
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1 DOGS PET IN GROUND DOG FENCE ELECTRIC SHOCK COLLAR | |
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US $59.99 | 28d 17h 5m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $279.95 | 29d 2h 4m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $379.90 | 29d 2h 4m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $479.85 | 29d 2h 4m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $579.80 | 29d 2h 4m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $279.95 | 29d 2h 3m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $379.90 | 29d 2h 3m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $479.85 | 29d 2h 3m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $579.80 | 29d 2h 3m |
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Innotek IUC 4100 In Ground Underground Dog Fence System | |
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US $279.95 | 29d 2h 3m |
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Petsafe In Ground Electric Stubborn Dog Fence 1 3 Acre | |
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US $184.95 | 28d 19h 45m |
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IN GROUND ELECTRONIC DOG FENCE PET CONTAINMENT SYSTEM | |
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US $59.99 | 28d 17h 5m |
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ELECTRIC ELECTRONIC PET FENCE SHOCK COLLAR FOR 3 DOG | |
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US $94.99 | 28d 17h 5m |
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ELECTRIC ELECTRONIC PET FENCE SHOCK COLLAR FOR 2 DOG | |
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US $74.99 | 28d 17h 5m |
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ELECTRIC ELECTRONIC PET FENCE SHOCK COLLAR FOR 1 DOG | |
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US $59.99 | 28d 17h 5m |
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3 DOGS PET IN GROUND DOG FENCE ELECTRIC SHOCK COLLAR | |
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US $94.99 | 28d 17h 5m |
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3 DOG TRAINING SHOCK COLLAR ELECTRIC UNDERGROUND FENCE | |
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US $94.99 | 28d 17h 5m |
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3 DOG PET ELECTRIC UNDERGROUND FENCE W SHOCK COLLAR | |
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US $94.99 | 28d 17h 5m |
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PETSAFE ELECTRIC FENCE STUBBORN LARGE 2 DOG 1 ACRE | |
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US $233.99 | 26d 48m |
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PetSafe Big Dog Remote Shock Training Large Collar | |
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US $89.99 | 26d 4h 28m |
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2 DOGS PET IN GROUND DOG FENCE ELECTRIC SHOCK COLLAR | |
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US $74.99 | 25d 18h 22m |
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Omega Paw Self Cleaning Kitty Cat Litter Box Large | |
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US $31.95 | 28d 7h 43m |
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Drinkwell The Original Pet Watering Fountain | |
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US $44.99 | 28d 5h 45m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $185.99 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $195.99 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $205.99 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $215.99 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $255.95 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $265.95 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $275.95 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $285.95 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $325.99 | 28d 4h 51m |
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PetSafe Electric Radio Underground Stubborn Dog Fences | |
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US $335.99 | 28d 4h 51m |
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Invisible Fence replacement collar 20 leather croco | |
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US $20.95 | 28d 4h 24m |
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Invisible Fence replacement collar 20 leather croco | |
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US $20.95 | 28d 4h 24m |
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PetSafe Stubborn Large Dog Super Receiver Fence Collar | |
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US $69.95 | 28d 4h 9m |
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Petsafe Underground Large Stubborn 2 DOG Fence | |
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US $255.90 | 28d 3h 44m |
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Petsafe Underground Large Stubborn 3 DOG Fence | |
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US $325.85 | 28d 1h 56m |
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Petsafe PRF 275 19 Stubborn Dog Receiver Fence Collar | |
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US $69.95 | 28d 1h 30m |
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PETSAFE UNDERGROUND LARGE STUBBORN 2 DOG FENCE 1 ACRE | |
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US $258.94 | 26d 1h 38m |
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PETSAFE STUBBORN 3 DOG UNDERGROUND FENCE PIG00 10777 | |
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US $325.85 | 25d 18h 5m |
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PetSafe Premium Radio Fence w Deluxe Receiver PRF 304W | |
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US $205.95 | 27d 7h 50m |
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WIRELESS PETSAFE PIF 300 PIF 275 19 DOG FENCE FOR 1 DOG | |
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US $249.95 | 27d 5h 46m |
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Drinkwell Big Dog Pet Watering Fountain | |
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US $67.49 | 27d 4h 10m |
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PETSAFE ELECTRIC UNDERGROUND FENCE STUBBORN 2 DOG 1ACRE | |
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US $264.95 | 25d 18h 5m |
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Petsafe ELECTRIC LARGE STUBBORN Dog PET Fence 5 Acre | |
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US $197.99 | 26d 1h 27m |
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SMALL MEDIUM REMOTE CONTROL DOG TRAINING SHOCK COLLAR | |
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US $34.99 | 20d 22h 8m |
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SMALL MEDIUM REMOTE CONTROL DOG TRAINING SHOCK COLLAR | |
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US $34.99 | 24d 18h 15m |
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SMALL MEDIUM REMOTE CONTROL DOG TRAINING SHOCK COLLAR | |
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US $34.99 | 24d 18h 15m |
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Multi Func Remote Dog Training Collar VIBRATION SHOCK | |
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US $34.99 | 25d 9h 22m |
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USA REMOTE CONTROL DOG TRAINING SHOCK VIBRATE COLLAR | |
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US $34.99 | 26d 5h 46m |
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Wireless PetSafe Fence Pet Dog Containment System NEW | |
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US $279.95 | 26d 5h 6m |
Why is CERNs Large Hadron Collider built underground?
Wouldn't it be cheaper to build it over the ground and build a concrete tunnel over it for protection?
Because the ground removes the radiation from the sun any other induced radiation that may be present. It would definitely not be cheaper to use a concrete tunnel, as it is so long, and, to get the same shielding quality that the ground, soil rocks and so on,would give, it would have to be impractically thick. Definitely easier to get a tunnelling machine for the construction.
Welcome to Pet food care Store. we have a great variety of Underground Large for you to choose from below, and if you don"t find any Underground Large products you were looking for, have a look around the site and bookmark us and come back latter on as we add more products on Underground Larges everyday. Either way I hope you find the right Underground Large for a great price.