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Ends at 10PM PT. Home.woot! has the Universal Security Instruments MCN400B Plug In Carbon Monoxide and Natural Gas Alarm for $30 + $5 shipping = $35 shipped. Features a dual sensing alarm, silence/test button, low battery warning, and an end-of-service life warning.

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    awestun Ben's cred: 158
    Posted 4:34 am PDT 08/8/12

    in case you did not know these do have expiration dates.

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    JediKnight Ben's cred: 653
    Posted 4:54 am PDT 08/8/12

    Natural gas meaning flatulence?

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    me2 Ben's cred: 106
    Posted 6:27 am PDT 08/8/12

    #2 Yes, the dog will set this off. These devices are also sensitive to household aerosol sprays which use propane and butane propellants.

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    zzyzx Ben's cred: 216
    Posted 8:04 am PDT 08/8/12

    They should make an early warning fart detector to help save olfaction of the innocent...

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    rkpoo Ben's cred: 146
    Posted 8:26 am PDT 08/8/12

    @zzyyx "Nobody is innocent!!" (from Dirty Harry)

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    JediKnight Ben's cred: 653
    Posted 8:38 am PDT 08/8/12

    zzyzx wrote:
    They should make an early warning fart detector to help save olfaction of the innocent...


    It would require the addition of a sound detector in cases of the dreaded SBD.

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    zzyzx Ben's cred: 216
    Posted 9:23 am PDT 08/8/12

    Perhaps the fart detector circuit could be designed to look for the typical thermal signature emanating from a SBD fart jet plume disturbance...

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    fxp Ben's cred: 191
    Posted 11:57 am PDT 08/8/12

    Oh Gee, you get to replacement them ogether when one side goes bad.

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