Austin Air Allergy Machine Replacement Hega Filter With Black Prefilter

Fits all standard body Austin Air air cleaner models including CZ3400. Meets HEPA standards, trapping 99.97% of all particulates larger than 0.3 microns.Excellent for those with allergies and asthma.Foam gaskets top and bottom for 100% seal. Filter consisting strategically placed military carbon cloth and True Medical HEPA filter cloth.FREE SHIPPING.