NDS - 991 - 9" x 9" Square Green Atrium Grate Check Valve Can the 3504 be installed

Can the 3504 be installed outdoors

Big Frog Supply identifies the exact 2-inch

Install indoors in a dry protected location

Constructed of vitreous china

a system-test function

NDS - 991 - 9" x 9" Square Green Atrium Grate Check Valve Can the 3504 be installedNDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical resistant, rustproof and maintenance free, lightweight and easy to install. NDS has a full line of drainage products, fittings and accessories available. Specifications: Material: HDPE Color: Green Length: 9" Width: 9" Height: 4 3 4" Weight: 0. 87 lbs