AC PLUG DIG CO/GAS 9v BACK4LED/HUSH/TEST/PEAK LEVEL/EOS CPVC TEE Chrome-Plated Ball

Chrome-Plated Ball

railroad tracks

this is a great do-it-yourself product

When external vent stacks get clogged these foul odors and gases remain in the system and can cause your home to smell

<R> AC PLUG DIG CO/GAS 9v BACK4LED/HUSH/TEST/PEAK LEVEL/EOS CPVC TEE Chrome-Plated BallThe Universal Security Instruments Electric MCND401 Plug In Carbon Monoxide and Natural Gas Smart Alarm is a 2 in 1 device that provides double the protection with a single installation. This dual sensing alarm protects against two deadly household threats: carbon monoxide and natural gas (or methane). Perfect for new or replacement installations, the 120 volt AC alarm is suitable for houses, apartments and mobile homes. The compact plug in design