Austin Air, Replacement Junior Particle Pre-Filter 101513 Each board is certified safe

Each board is certified safe by the National Sanitary Foundation (NSF)

better flow and higher luster

While your deck will be waterproof

Unlike typical air purifiers that focus only on dust and pollen

14 natural slate-like colors or 12 color blends in four different widths (10 inch

Austin Air, Replacement Junior Particle Pre-Filter 101513 Each board is certified safeJunior Particle Pre Filter Replacement This is a replacement pre filter for the junior sized Austin Air Air Purifiers. For the full standard sized machines, use the Large pre filter. Use with Junior size air purifiers; HealthMate Junior, HealthMate Plus Junior, and Allergy Machine Junior. 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