Free Shipping when spending $2250 on a combination of any IPS Products. Bulk orders qualify for Free Shipping. IPS Air-Swirl Roof Vent does not have parts that move so the Net Free Area remains consistent over time. Also, the other vents with bearings eventually develop very loud and annoying screeching sounds. This double louver technology vents your property's attic without any noise because it doesn't use ball bearings and spinning caps that get damaged later on. 113 sq in NFA.
Free Shipping when spending $2250 on a combination of any IPS Products.