What Is It? | White Plastic BoxPosted by plumbingpros in Home Improvement Tips, on November 9, 2015
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Ask This Old general contractor Tom Silva asks plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor to guess what this white plastic tool with a louver at the bottom and an opening on the top might be.
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
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Follow This Old House and Ask This Old House:
15 Have a licensed electrician make the final wire connections in the garage and at the main electrical panel.
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