The ZipFast Multi-Pack is a portable dust-wall-in-a-box. Each package includes seven reusable nylon panels that zip together on the jobsite to make a barrier up to 12 feet high and 27 1/2 feet wide. The panels are machine-washable and can be used with the company’s telescoping wall poles (sold separately). One box costs $439. ZipWall, 800.718.2255,

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