The Precision Weld by Okna Windows is a great choice for home owners who want a high quality replacement window at an affordable price. The Series 400 as it is called has a very clean appearance both inside and out. The exterior master frame has a two point welding system and beveled appearance giving the window a clean look on the exterior. The Precision Weld comes in white, almond and coca along with the option of a full screen, interior grids and foam filled frames and sashes. Just like all of Okna windows quality products the Precision Weld has triple weather stripping, a warm edge spacer and the same ClimaGaurd insulated glass to make it one of the most efficient windows on the market.