Greentech Air Duct Grill Mask 24 Inch Roll 300 Ft. Length Perforated high efficiency particulate air CO291-14IS Portable Intrinsically Safe CO/O2

CO291-14IS Portable Intrinsically Safe CO/O2 monitor

Depth (base): 28

Item number: HPM-3H

zinc plated

Greentech Air Duct Grill Mask 24 Inch Roll 300 Ft. Length Perforated high efficiency particulate air CO291-14IS Portable Intrinsically Safe CO/O2Greentech Air Duct Grill Mask 24 Inch Roll 300 Ft. Length Perforated The Net Zero Grill Mask is perfect for covering holes & duct registers while testing duct work, houses, or enclosures. This self adhesive grill mask comes in easy to use rolls 300 feet long by 24 inches wide and is great for use on your job site. The grill mask sticks firmly, forms an effective air seal, is perforated, and wont peel painted surfaces when removed.