National Hardware N830-290 Wide Angle UL Fire Rated Door Viewer, Polished Brass Sled Potassium content: 10 percent

Potassium content: 10 percent

Made from tempered

Sturdy impact handle creates ”hammer and chisel“ effect

Valves comply with requirements of NSF 61

Fits most tankless water heaters with a maximum depth of 13" and width of 20-1/2"

National Hardware N830-290 Wide Angle UL Fire Rated Door Viewer, Polished Brass Sled Potassium content: 10 percentHighlights: Series: MPB1462 Finish: Polished Brass Material: Zinc Die Cast Used to allow a user to identify visitors from the security of a locked door UL listed glass lens Offers 180 degrees lens angle for wide viewing Requires an 11 16" hole and can be uses in doors that measure 1 3 8" to 2 1 16" thickness Exterior trim width is 1 3 16" Interior trim width is 15 16"