Nice job, very clean. Did you see the Sticky on this? I use a $6.99 cooler and a CO2 filler cap $5.99 off ebay but it all works the same. I too use a smaller box inside my cooler with a paper towel for urine as i dont like to waste gas filling a large space when im only killing 3 rodents each week.. So i use a plastic box my dishwasher tablets came in with a hole down load that lines up with the house. 10 sec and theyre out.
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