Austin Air, Replacement Large Particle Pre-Filter Color:White Unlike oil-based polyurethanes which off-gas

Unlike oil-based polyurethanes which off-gas for weeks

Niagara Slate requires no special structural engineering and is easy to install

Like most good underlayment

grid-like texture that is compatible with any decor

Austin Air, Replacement Large Particle Pre-Filter Color:White Unlike oil-based polyurethanes which off-gasReplacement Large Particle Pre Filter This is a replacement pre filter for the full sized Austin Air Air Purifier Units, including: HealthMate HealthMate Plus Immunity Machine Allergy Machine Bedroom Machine Replace annually. This comes in two colors; black and white. Use the Black filter for black and midnight blue colored machines and the White filter for white and sandstone colored machines. [tabs] Why We Like It > > Features & benefits >