Even if these austin air purifiers don’t have the latest cutting edge design, they really are solid air cleaners that employ a top of the line filtration system. With many models to choose at an affordable price, austin air purifiers are a real asset for any family that requires efficient allergens control. The main filter need to be replaced every 3 to 5 years while the reusable pre filter only requires to be vacuumed a couple of times every 6 months. The main features of some of this Austin air purifiers is the HEGA filter that is designed for greater VOC management.