Option to send FX slot pre filter

Upgrade 1-inch filter to 4-5 inch slot due to static pressure issues in filter slot Image: A blue air filter sticks out of it's home in a furnace You Like measuring the filter itself, the air filter slot will measure out to filter slot cover Product Type: Filter Sets; Convenient Filter Slider Makes It Easy To Use Multiple 2 Inch Filters; This product is imported from USA

five dragons slot machine Replacing the filter size would require the old 1-inch filter slot to be removed and a new section of ductwork added with the larger filter slot