Frost King WB Marvin 25 45 in. W in. Steel Adjustable Window Screen 7-76-714-06 This 1-inch pressure vacuum breaker

This 1-inch pressure vacuum breaker backflow preventer is used to protect against health hazards and non-hazard back siphonage of toxic or non-toxic liquids in industrial plants

The kit included everything two people need - there are 2 one-size-fits-all harnesses and one 12 feet long x 5 inch wide lifting strap

including primers

twist the top and find a 1

Frost King WB Marvin 25 45 in. W in. Steel Adjustable Window Screen 7-76-714-06 This 1-inch pressure vacuum breakerFrost King's W. B. Marvin Adjustable Window Screens are the affordable alternative to custom screens. It easily expands to fit your window and installs without tools. Its fast and easy to install. And removes just as easy. They are available in numerous height and width configurations to provide that perfect fit. Brand Name: Frost King Sub Brand: WB Marvin Minimum Width: 25 Maximum Width: 45 in. W in. Screen Material: Steel Product Type: Adjustable