Walmart has the First Alert CO400 Carbon Monoxide Alarm for $11 with free site-to-store / FedEx Office shipping or $5 shipping to home. Features an electrochemical carbon monoxide sensor, silence/test button, low battery warning and a end-of-life timer.

$1 more on Amazon but with free shipping on $35+; $20 and up everywhere else.
$12 Retail: $35

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    whatswhat Ben's cred: 11
    Posted 10:51 am PDT 09/8/14

    Good to keep one of these near the baby crib and to take with you to hotels/family's houses when you travel with baby. They have tiny lungs.

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    mikegrmi Ben's cred: 360
    Posted 2:33 pm PDT 09/8/14

    Waiting for First Alert to make a Meth Lab Detector, and the best place to sell it would also be Walmart.

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    suednim Ben's cred: 149
    Posted 6:03 pm PDT 09/8/14

    ^Only rookies brew their own; so much comes over the border U don't need to.

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    dave_c Ben's cred: 3699
    Posted 10:00 pm PDT 09/8/14

    ^ hardly, an old friend of mine who was even a police officer with access to drug seizures STILL made his own. Fortunately I hadn't seen him in years and found out when his situation hit the local news reports.

    The thing about buying it is that's expensive for someone who becomes dysfunctional from using it.

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    Ben's Price
    • First Alert CO400 Carbon Monoxide Alarm $12 at Amazon
    • $12
      Retail: $35
    • First Alert CO400 Carbon Monoxide Alarm $14 at Amazon
    • $14
      Retail: $35
    • First Alert CO400 Carbon Monoxide Alarm $15 at Amazon
    • $15
    • First Alert CO400 Carbon Monoxide Alarm $17 at Amazon
    • $17
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