16x21x1 MERV 7 AC Furnace Filters 6 Pack extension Reinforced with ribs and rim

Reinforced with ribs and rim to maximize rigidity

The 1000W SGO100DE Magnetic DE Ballast is a truly reliable and rugged workhorse built to provide years of solid service while operating any 1000W double-ended lamp

high-density polyethylene

and increased tolerance to drought

They take power off the transformer and use it to strike the bulb inside the reflector

16x21x1 MERV 7 AC Furnace Filters 6 Pack extension Reinforced with ribs and rimNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters