NDS 9 in. Black Square Polyolefin Drain Grate Color:Black The filter works with 3M

The filter works with 3M Respirators 5000 Series or 3M Cartridges 6000 Series or 3M Filter Adapter 603 and 3M Filter Retainer 501

Brand Name: Oakbrook Collection

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4 international adapters

NDS 9 in. Black Square Polyolefin Drain Grate Color:Black The filter works with 3MSquare Grate 9 inch Black. For use with 9 inch square basin. This grate helps to collect and remove excess water from driveways, patios and any other outdoor areas, designed for maximum durability to handle light foot traffic. NDS 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.