: increased in amount or good quality than the common of its kind or class: such as a : of unusually large size or amount a heavy turnout Models 0110DOW, 0120DOW, 0110GOW and 0120GOW are "outside of wall or ground" integral sleeve static curtain type hearth dampers.  Product 0110GOW and https://heavy-duty-stainless-stee45667.worldblogged.com/43140569/heavy-duty-stainless-steel-damper-manufacturers-an-overview